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Images of 'Supernovae' found, 310

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Tycho Brahe sees a new star (engraving)

Tycho Brahe sees a new star (engraving)

French School, (19th century)

XJF2634706

Artist's view of the European satellite INTEGRAL in orbit around the Earth, 2002 (photo)

Artist's view of the European satellite INTEGRAL in orbit around the Earth, 2002 (photo)

D. Ducros

PIX4646221

Artist's view of a magnetar and its magnetic field - A magnetar with its magnetic field. Artwork - Illustration showing the magnetic field lines of a magnetar that intertwine causing tensions on the surface of the neutron star that partially breaks causing an emission of X-rays and gamma rays. A magnetar is a neutron star with an extremely powerful magnetic field. This artwork shows magnetic field lines of the star causing X and gamma rays burst when they mix

Artist's view of a magnetar and its magnetic field - A magnetar with its magnetic field. Artwork - Illustration showing the magnetic field lines of a magnetar that intertwine causing tensions on the surface of the neutron star that partially breaks causing an emission of X-rays and gamma rays. A magnetar is a neutron star with an extremely powerful magnetic field. This artwork shows magnetic field lines of the star causing X and gamma rays burst when they mix

P. Carril

PIX4572872

Kepler's Supernova

Kepler's Supernova

UIG532285

Cosmic rays -Artwork

Cosmic rays -Artwork

L. Bret

PIX5620792

Globular cluster M5 in Serpens - Globular cluster M5 in Serpens - This cluster of stars is located about 25,000 light years away from Earth. It is one of the most extensive (165 years - light) and one of the oldest known globular clusters. Globular clusters are generally peoples of very old stars, but here the Hubble space telescope has identified some young stars, blue stragglers. The globular cluster Messier 5, shown here in this NASA/ESA Hubble Space Telescope image, is one of the oldest belonging to the Milky Way. The majority of its stars formed more than 12 billion years ago, but there are some unexpected newcomers on the scene, adding some vitality to this aging population. Stars in globular clusters form in the same stellar nursery and grow old together. The most massive stars age quickly, exhausting their fuel supply in less than a million years, and end their lives in spectacular supernovae explosions. This process should have left the ancient cluster Messier 5 with only old,

Globular cluster M5 in Serpens - Globular cluster M5 in Serpens - This cluster of stars is located about 25,000 light years away from Earth. It is one of the most extensive (165 years - light) and one of the oldest known globular clusters. Globular clusters are generally peoples of very old stars, but here the Hubble space telescope has identified some young stars, blue stragglers. The globular cluster Messier 5, shown here in this NASA/ESA Hubble Space Telescope image, is one of the oldest belonging to the Milky Way. The majority of its stars formed more than 12 billion years ago, but there are some unexpected newcomers on the scene, adding some vitality to this aging population. Stars in globular clusters form in the same stellar nursery and grow old together. The most massive stars age quickly, exhausting their fuel supply in less than a million years, and end their lives in spectacular supernovae explosions. This process should have left the ancient cluster Messier 5 with only old,

PIX4564490

Supernova 1987A before and after explosion - Supernova 1987A with precursor image overlaid - Image of the Supernova 1987A, obtained on March 8, 1987. The photo of the star Sanduleak - 69* 202, photographed two years ago. Images obtained with Siding Spring's 3.9m telescope. Supernova 1987A appeared in the constellation Doradus on February 23, 1987. The brightest star in the colour photograph is supernova 1987A, photographed with the AAT two months before it reached its maximum brightness. Superimposed in register on this image is a negative photograph of the region around the supernova copied from an AAT plate that was exposed in 1985, two years before the supernova was seen to explode. The precursor star appears to be a peculiar shape only because its image is blended with those of two other stars that happen to lie in the same line of sight. Many similar blended images can be seen in the colour photograph. However, it was soon found that the brighter of the three had exploded, and tha

Supernova 1987A before and after explosion - Supernova 1987A with precursor image overlaid - Image of the Supernova 1987A, obtained on March 8, 1987. The photo of the star Sanduleak - 69* 202, photographed two years ago. Images obtained with Siding Spring's 3.9m telescope. Supernova 1987A appeared in the constellation Doradus on February 23, 1987. The brightest star in the colour photograph is supernova 1987A, photographed with the AAT two months before it reached its maximum brightness. Superimposed in register on this image is a negative photograph of the region around the supernova copied from an AAT plate that was exposed in 1985, two years before the supernova was seen to explode. The precursor star appears to be a peculiar shape only because its image is blended with those of two other stars that happen to lie in the same line of sight. Many similar blended images can be seen in the colour photograph. However, it was soon found that the brighter of the three had exploded, and tha

PIX4582378

Central region of the elliptical galaxy Centaurus A (NGC 5128) - Central part of the galaxy Centaurus A (NGC 5128) - The galaxy NGC 5128 is located about 13 million years away from Earth in the southern constellation of Centaurus. A broad dark band crosses it in the middle, a probable vestige of a collision with a spiral galaxy. This giant galaxy is a powerful radio source known as Centaurus A. It is an active galaxy whose energy comes from a supermassive black hole. The green dot visible in the dust strip is a supernova, the supernova 1986g. It appears green because the red filter image that made this trichromy image was only taken a year after the event and the supernova had weakened. Image obtained from the 3.9m telescope of Siding Spring, Australia. The nearby radio source Centaurus A (NGC 5128) looks like an elliptical galaxy, crossed by a broad, irregular dust lane. The dark band is probably the remains of a dusty spiral galaxy which is being absorbed by the giant elliptical. One

Central region of the elliptical galaxy Centaurus A (NGC 5128) - Central part of the galaxy Centaurus A (NGC 5128) - The galaxy NGC 5128 is located about 13 million years away from Earth in the southern constellation of Centaurus. A broad dark band crosses it in the middle, a probable vestige of a collision with a spiral galaxy. This giant galaxy is a powerful radio source known as Centaurus A. It is an active galaxy whose energy comes from a supermassive black hole. The green dot visible in the dust strip is a supernova, the supernova 1986g. It appears green because the red filter image that made this trichromy image was only taken a year after the event and the supernova had weakened. Image obtained from the 3.9m telescope of Siding Spring, Australia. The nearby radio source Centaurus A (NGC 5128) looks like an elliptical galaxy, crossed by a broad, irregular dust lane. The dark band is probably the remains of a dusty spiral galaxy which is being absorbed by the giant elliptical. One

PIX4612262

The evolution of stars - Illustration - The evolution of the stars - Illustration - All stars are born in interstellar clouds but according to their masses they will follow different destinies

The evolution of stars - Illustration - The evolution of the stars - Illustration - All stars are born in interstellar clouds but according to their masses they will follow different destinies

P. Carril

PIX4573022

Tycho Brahe's drawing of the supernova of 1572

Tycho Brahe's drawing of the supernova of 1572

UIG865208

Remains of the Crab Supernova (M1) in the Taurus - The Crab nebula, wide field - M1, the Crab nebula, is the rest of a supernova that exploded in 1054. It is located about 7000 light years from Earth in the constellation Taurus. At the heart of this nebula is a pulsar, a very dense neutron star resulting from the explosion of a massive supernova star. The bright star at the bottom right is Zeta Tauri. In the year 1054 AD a star in the constellation of Taurus exploded in a spectacular supernova so bright it appeared to dominate the sky except for the Sun and Moon for many days even in daylight. What we see now top left is the supernova remnant: a brilliant nebula, the first in the famous list compiled by Charles Messier. The nebula houses a spinning neutron star called a pulsar. The brilliant blue star bottom right is the 3rd magnitude Zeta Tauri

Remains of the Crab Supernova (M1) in the Taurus - The Crab nebula, wide field - M1, the Crab nebula, is the rest of a supernova that exploded in 1054. It is located about 7000 light years from Earth in the constellation Taurus. At the heart of this nebula is a pulsar, a very dense neutron star resulting from the explosion of a massive supernova star. The bright star at the bottom right is Zeta Tauri. In the year 1054 AD a star in the constellation of Taurus exploded in a spectacular supernova so bright it appeared to dominate the sky except for the Sun and Moon for many days even in daylight. What we see now top left is the supernova remnant: a brilliant nebula, the first in the famous list compiled by Charles Messier. The nebula houses a spinning neutron star called a pulsar. The brilliant blue star bottom right is the 3rd magnitude Zeta Tauri

PIX4583070

Remnants of the supernova Cassiopee A in X-rays - visible and infrared - This stunning picture of the supernova remnant Cassiopeia A (Cas A) is a composite of images taken by three of Nasa's Great Observatories. Infrared data from the Spitzer Space Telescope are colored red; optical data from the Hubble Space Telescope are yellow; and X - ray data from the Chandra X - ray Observatory are green and blue. Cas A is the 300 - year - old remnant created by the supernova explosion of a massive star. Each Great Observatory image highlights different characteristics of the remnant. Spitzer reveals warm dust in the outer shell with temperatures of about 10 degrees Celsius (80 degrees Fahrenheit), and Hubble sees the delicate filamentary structures of warmer gases about 10,000 degrees Celsius. Chandra shows hot gases at about 10 million degrees Celsius. This hot gas was created when ejected material from the supernova smashed into surrounding gas and dust at speeds of about ten million miles per

Remnants of the supernova Cassiopee A in X-rays - visible and infrared - This stunning picture of the supernova remnant Cassiopeia A (Cas A) is a composite of images taken by three of Nasa's Great Observatories. Infrared data from the Spitzer Space Telescope are colored red; optical data from the Hubble Space Telescope are yellow; and X - ray data from the Chandra X - ray Observatory are green and blue. Cas A is the 300 - year - old remnant created by the supernova explosion of a massive star. Each Great Observatory image highlights different characteristics of the remnant. Spitzer reveals warm dust in the outer shell with temperatures of about 10 degrees Celsius (80 degrees Fahrenheit), and Hubble sees the delicate filamentary structures of warmer gases about 10,000 degrees Celsius. Chandra shows hot gases at about 10 million degrees Celsius. This hot gas was created when ejected material from the supernova smashed into surrounding gas and dust at speeds of about ten million miles per

PIX4582940

Supernova stellar explosion

Supernova stellar explosion

UIG673459

Galaxy of the Wheel of the Charette in the Sculptor - The Cartwheel Galaxy - The ring galaxy of the Wheel of the Charette is about 500 million years away - light from the Earth. It is surrounded by a ring of 150,000 years - light of diameter composed of young and very bright stars. This particular form is the result of a collision, probably with one of the two galaxies on the right. Image obtained by the Hubble Space Telescope in October 1994. A rare and spectacular head - on collision between two galaxies appears in this NASA Hubble Space Telescope true - color image of the Cartwheel Galaxy, located 500 million light - years away in the constellation Sculptor. The details of star birth resolved by Hubble provide an opportunity to study how extremely massive stars are born in large fragmented gas clouds. The striking ring - like feature is a direct result of a smaller intruder galaxy - - possibly one of two objects to the right of the ring - - that careened through the core of the host

Galaxy of the Wheel of the Charette in the Sculptor - The Cartwheel Galaxy - The ring galaxy of the Wheel of the Charette is about 500 million years away - light from the Earth. It is surrounded by a ring of 150,000 years - light of diameter composed of young and very bright stars. This particular form is the result of a collision, probably with one of the two galaxies on the right. Image obtained by the Hubble Space Telescope in October 1994. A rare and spectacular head - on collision between two galaxies appears in this NASA Hubble Space Telescope true - color image of the Cartwheel Galaxy, located 500 million light - years away in the constellation Sculptor. The details of star birth resolved by Hubble provide an opportunity to study how extremely massive stars are born in large fragmented gas clouds. The striking ring - like feature is a direct result of a smaller intruder galaxy - - possibly one of two objects to the right of the ring - - that careened through the core of the host

PIX4613594

Supernova 1987A before and after explosion - Supernova 1987A before and after the explosion - Images of the Supernova 1987A, on the left, obtained on March 8, 1987, and of the same photograph field on the right on February 5, 1984. Images obtained with Siding Spring's 3.9m telescope. Supernova 1987A appeared in the constellation Doradus on February 23, 1987. Sometime during 23 February 1987 a supernova exploded in the Large Magellanic Cloud (LMC), a nearby galaxy. However, the LMC is about 170,000 light years distant, so the supernova exploded 170,000 years ago. It was discovered the following day and brightened rapidly to become the first supernova to be easily visible to the unaided eye for almost 400 years. This photograph shows the field around the site of the supernova in great detail, both before the supernova exploded (right) and about 10 days afterwards, when it was still brightening

Supernova 1987A before and after explosion - Supernova 1987A before and after the explosion - Images of the Supernova 1987A, on the left, obtained on March 8, 1987, and of the same photograph field on the right on February 5, 1984. Images obtained with Siding Spring's 3.9m telescope. Supernova 1987A appeared in the constellation Doradus on February 23, 1987. Sometime during 23 February 1987 a supernova exploded in the Large Magellanic Cloud (LMC), a nearby galaxy. However, the LMC is about 170,000 light years distant, so the supernova exploded 170,000 years ago. It was discovered the following day and brightened rapidly to become the first supernova to be easily visible to the unaided eye for almost 400 years. This photograph shows the field around the site of the supernova in great detail, both before the supernova exploded (right) and about 10 days afterwards, when it was still brightening

PIX4582336

Binary Star - Artist View - Binary star. Artist view - A white dwarf orbiting very close to her giant red companion tears him little by little from the material. This unstable couple will soon explode in supernova. Mass transfer between a red giant and a white dwarf star producing later a supernova explosion

Binary Star - Artist View - Binary star. Artist view - A white dwarf orbiting very close to her giant red companion tears him little by little from the material. This unstable couple will soon explode in supernova. Mass transfer between a red giant and a white dwarf star producing later a supernova explosion

P. Carril

PIX4572634

Binary Star - Artist View - Binary star. Artist view - Binary Star - mass exchange between a red giant a blue dwarf. When the material removed from the giant comes into contact with the accretion disc of the blue dwarf, it emits X-rays visible in the form of flashes by astronomers. This mass exchange process leads in a few thousand years to a nova explosion. Mass transfer between a red giant and a blue dwarf star producing X - ray emission and later a nova explosion

Binary Star - Artist View - Binary star. Artist view - Binary Star - mass exchange between a red giant a blue dwarf. When the material removed from the giant comes into contact with the accretion disc of the blue dwarf, it emits X-rays visible in the form of flashes by astronomers. This mass exchange process leads in a few thousand years to a nova explosion. Mass transfer between a red giant and a blue dwarf star producing X - ray emission and later a nova explosion

P. Carril

PIX4572585

Explosion of a supernova - Artist's impression of dust formation around a supernova explosion: Artist's view of a star explosion

Explosion of a supernova - Artist's impression of dust formation around a supernova explosion: Artist's view of a star explosion

PIX4626493

Artist's view of a pulsar - A pulsar. Artwork - A pulsar is a neutron star endowed with a magnetic field that rotates on it - even extremely quickly and emits beams of light and radio waves. A pulsar is a neutron star, highly magnetized, rotating very quickly which emits a beam of detectable radiation in the form of radio waves

Artist's view of a pulsar - A pulsar. Artwork - A pulsar is a neutron star endowed with a magnetic field that rotates on it - even extremely quickly and emits beams of light and radio waves. A pulsar is a neutron star, highly magnetized, rotating very quickly which emits a beam of detectable radiation in the form of radio waves

PIX4572751

Tarantula Nebula and Supernova 1987A - The Tarantula Nebula and supernova 1987a in the LMC - Tarantula Nebula photographed in 1987, two weeks after the appearance of the 1987A supernova. Image obtained with Siding Spring's 3.9m telescope. Supernova 1987A appeared in the constellation Doradus on February 23, 1987. The brightest star in this picture is the first supernova to be visible to the unaided eye for almost 400 years. It occured in a region rich in young, blue stars and it was one of these which destroyed itself. When this picture was taken, about 2 weeks after the supernova was discovered, at the end of February, 1987, the expanding shell of material had already changed from blue to orange - red as it cooled. The location of the supernova in the Large Magellanic Cloud (LMC) means that it can only be seen from the southern hemisphere

Tarantula Nebula and Supernova 1987A - The Tarantula Nebula and supernova 1987a in the LMC - Tarantula Nebula photographed in 1987, two weeks after the appearance of the 1987A supernova. Image obtained with Siding Spring's 3.9m telescope. Supernova 1987A appeared in the constellation Doradus on February 23, 1987. The brightest star in this picture is the first supernova to be visible to the unaided eye for almost 400 years. It occured in a region rich in young, blue stars and it was one of these which destroyed itself. When this picture was taken, about 2 weeks after the supernova was discovered, at the end of February, 1987, the expanding shell of material had already changed from blue to orange - red as it cooled. The location of the supernova in the Large Magellanic Cloud (LMC) means that it can only be seen from the southern hemisphere

PIX4582389

Artist's view of a magnetar and its magnetic field - A magnetar with its magnetic field. Artwork - Illustration showing the magnetic field lines of a magnetar that intertwine causing tensions on the surface of the neutron star that partially breaks causing an emission of X-rays and gamma rays. A magnetar is a neutron star with an extremely powerful magnetic field. This artwork shows magnetic field lines of the star causing X and gamma rays burst when they mix

Artist's view of a magnetar and its magnetic field - A magnetar with its magnetic field. Artwork - Illustration showing the magnetic field lines of a magnetar that intertwine causing tensions on the surface of the neutron star that partially breaks causing an emission of X-rays and gamma rays. A magnetar is a neutron star with an extremely powerful magnetic field. This artwork shows magnetic field lines of the star causing X and gamma rays burst when they mix

PIX4572816

Explosion of a hypernova - Artist view - Explosion of a hypernova - Artist view - Artist view of a hypernova, a very massive star that, at the end of life, collapses into a black hole, releasing intense gamma rays

Explosion of a hypernova - Artist view - Explosion of a hypernova - Artist view - Artist view of a hypernova, a very massive star that, at the end of life, collapses into a black hole, releasing intense gamma rays

P. Carril

PIX4583380

Artist's view of a pulsar: A pulsar is a neutron star endowed with a magnetic field that rotates extremely quickly and emits beams of light and radio waves. A pulsar is a neutron star, highly magnetized, rotating very quickly which emits a beam of detectable radiation in the form of radio waves

Artist's view of a pulsar: A pulsar is a neutron star endowed with a magnetic field that rotates extremely quickly and emits beams of light and radio waves. A pulsar is a neutron star, highly magnetized, rotating very quickly which emits a beam of detectable radiation in the form of radio waves

Dixon, Don (b.1951)

PIX4607567

Artist view of a magnetar - Magnetar - Artist view - Artist view of an eruption of X-rays and gamma from a magnetar, a neutron star endowed with a powerful magnetic field. Artist's concept of a burst of X - rays and gamma released by a magnetar, a neutron star with an extremely powerful magnetic field

Artist view of a magnetar - Magnetar - Artist view - Artist view of an eruption of X-rays and gamma from a magnetar, a neutron star endowed with a powerful magnetic field. Artist's concept of a burst of X - rays and gamma released by a magnetar, a neutron star with an extremely powerful magnetic field

Dixon, Don (b.1951)

PIX4572837

Remnants of the Supernova of Sails - The Vela supernova remnan

Remnants of the Supernova of Sails - The Vela supernova remnan

R. Gendler

PIX4582853

Supernova 1987A in the Great Magellan Cloud before and after explosion - Sometime during 23 February 1987 a supernova exploded in the Large Magellanic Cloud (LMC), a nearby galaxy. However, the LMC is about 170,000 light years distant, so the supernova exploded 170,000 years ago. It was discovered the following day and brightened rapidly to become the first supernova to be easily visible to the unaided eye for almost 400 years. This photograph shows the field around the site of the supernova in great detail, both before the supernova exploded (right) and about 10 days afterwards, when it was still brightening. The image of the star that exploded to create the supernova (mouseover the image) is elongated (better seen on this bigger image). This does not necessarily indicate any peculiarity or a close companion, rather it is the effect of stars being by chance aligned along the line of sight. Several other examples can be seen in this picture and other, different, blended images are seen

Supernova 1987A in the Great Magellan Cloud before and after explosion - Sometime during 23 February 1987 a supernova exploded in the Large Magellanic Cloud (LMC), a nearby galaxy. However, the LMC is about 170,000 light years distant, so the supernova exploded 170,000 years ago. It was discovered the following day and brightened rapidly to become the first supernova to be easily visible to the unaided eye for almost 400 years. This photograph shows the field around the site of the supernova in great detail, both before the supernova exploded (right) and about 10 days afterwards, when it was still brightening. The image of the star that exploded to create the supernova (mouseover the image) is elongated (better seen on this bigger image). This does not necessarily indicate any peculiarity or a close companion, rather it is the effect of stars being by chance aligned along the line of sight. Several other examples can be seen in this picture and other, different, blended images are seen

PIX4582330

Tarantula nebula before the appearance of supernova 1987A - The Tarantula Nebula, before supernova SN1987A - Tarantula Nebula photographed in 1984. Image obtained with Siding Spring's 3.9m telescope. Supernova 1987A appeared in the constellation Doradus on February 23, 1987. By great good fortune, the star (Sanduleak - 69* 202) which exploded as the supernova, had been observed some years previously and was found to be a typical young, bluish star, much hotter and brighter than stars like the Sun. There are many similar stars in this part of the LMC which is dominated by the spectacular red cloud of the Tarantula Nebula. It in such nebulae that stars are formed, often in compact groups such as those scattered across this photograph, which was taken in 1984

Tarantula nebula before the appearance of supernova 1987A - The Tarantula Nebula, before supernova SN1987A - Tarantula Nebula photographed in 1984. Image obtained with Siding Spring's 3.9m telescope. Supernova 1987A appeared in the constellation Doradus on February 23, 1987. By great good fortune, the star (Sanduleak - 69* 202) which exploded as the supernova, had been observed some years previously and was found to be a typical young, bluish star, much hotter and brighter than stars like the Sun. There are many similar stars in this part of the LMC which is dominated by the spectacular red cloud of the Tarantula Nebula. It in such nebulae that stars are formed, often in compact groups such as those scattered across this photograph, which was taken in 1984

PIX4582367

Gravitational waves emitted by a supernova - Artist view - According to Einstein, collapsing stars should send waves of gravity rippling through space and time

Gravitational waves emitted by a supernova - Artist view - According to Einstein, collapsing stars should send waves of gravity rippling through space and time

Dixon, Don (b.1951)

PIX4583285

The Filamentary Nebula.

The Filamentary Nebula.

UIG5307776

La formation du Système solaire - Vue d'artiste - Solar system formation - Artist view - Vue d'artiste de la naissance du système solaire. After the explosion of a supernova, an interstellar cloud of gas and dust heated and contracted to give birth to our star. In a few tens of millions of years, debris assembles around the sun and planets form. Following a supernova explosion, a cloud of gas and dust start to collapse forming a solar nebula. Particles around spinning, begin to stick together through accretion to make planetesimals, and then planets

La formation du Système solaire - Vue d'artiste - Solar system formation - Artist view - Vue d'artiste de la naissance du système solaire. After the explosion of a supernova, an interstellar cloud of gas and dust heated and contracted to give birth to our star. In a few tens of millions of years, debris assembles around the sun and planets form. Following a supernova explosion, a cloud of gas and dust start to collapse forming a solar nebula. Particles around spinning, begin to stick together through accretion to make planetesimals, and then planets

PIX4630307

Artist's view of a neutron star - Neutron star - Artwork: A neutron star is a very dense star resulting from the explosion of a massive supernova star. It is called pulsar if it turns quickly on itself and develops a powerful magnetic field emitting beams of light and radio waves. A neutron star is formed from the collapsed remnant of a massive star. When it turns very fast with a powerful magnetic field with emission beams, it is a pulsar

Artist's view of a neutron star - Neutron star - Artwork: A neutron star is a very dense star resulting from the explosion of a massive supernova star. It is called pulsar if it turns quickly on itself and develops a powerful magnetic field emitting beams of light and radio waves. A neutron star is formed from the collapsed remnant of a massive star. When it turns very fast with a powerful magnetic field with emission beams, it is a pulsar

Dixon, Don (b.1951)

PIX4607557

Andromede galaxy (M31) seen in X and infrared - Andromeda galaxy infrared and X - Ray composite - Andromede spiral galaxy seen in X-ray (blue) by the XMM - Newton space telescope and in infrared (orange) by the Herschel space telescope. This mosaic of the Andromeda spiral galaxy highlights explosive stars in its interior, and cooler, dusty stars forming in its many rings. The image is a combination of observations from the Herschel Space Observatory taken in infrared light (seen in orange hues), and the XMM - Newton telescope captured in X - rays (seen in blues). Herschel provides a detailed look at the cool clouds of star birth that line the galaxy's five concentric rings. Massive young stars are heating blankets of dust that surround them, causing them to glow in the longer - wavelength infrared light, known as far - infrared, that Herschel sees. In contrast, XMM - Newton is capturing what happens at the end of the lives of massive stars. It shows the high - energy X - rays that come

Andromede galaxy (M31) seen in X and infrared - Andromeda galaxy infrared and X - Ray composite - Andromede spiral galaxy seen in X-ray (blue) by the XMM - Newton space telescope and in infrared (orange) by the Herschel space telescope. This mosaic of the Andromeda spiral galaxy highlights explosive stars in its interior, and cooler, dusty stars forming in its many rings. The image is a combination of observations from the Herschel Space Observatory taken in infrared light (seen in orange hues), and the XMM - Newton telescope captured in X - rays (seen in blues). Herschel provides a detailed look at the cool clouds of star birth that line the galaxy's five concentric rings. Massive young stars are heating blankets of dust that surround them, causing them to glow in the longer - wavelength infrared light, known as far - infrared, that Herschel sees. In contrast, XMM - Newton is capturing what happens at the end of the lives of massive stars. It shows the high - energy X - rays that come

PIX4609049

Composite image of supernova remnant RCW 86 (photo)

Composite image of supernova remnant RCW 86 (photo)

SMT1217257

Composite image of supernova remnant Tycho (photo)

Composite image of supernova remnant Tycho (photo)

SMT1217261

Supernovae distant - These Hubble Space Telescope images pinpoint three distant supernovae, which exploded and died billions of years ago. Scientists are using these faraway light sources to estimate if the universe was expanding at a faster rate long ago and is now slowing down. Images of SN 1997cj are in the left hand column; SN 1997ce, in the middle; and SN 1997ck, on the right. All images were taken by the Hubble telescope's Wide Field and Planetary Camera 2. The top row of images are wider views of the supernovae. The supernovae were discovered in April 1997 in a ground - based survey at the Canada - France - Hawaii Telescope on Mauna Kea, Hawaii. Once the supernovae were discovered, the Hubble telescope was used to distinguish the supernovae from the light of their host galaxies. A series of Hubble telescope images were taken in May and June 1997 as the supernovae faded. Six Hubble telescope observations spanning five weeks were taken for each supernova. This time series enabled

Supernovae distant - These Hubble Space Telescope images pinpoint three distant supernovae, which exploded and died billions of years ago. Scientists are using these faraway light sources to estimate if the universe was expanding at a faster rate long ago and is now slowing down. Images of SN 1997cj are in the left hand column; SN 1997ce, in the middle; and SN 1997ck, on the right. All images were taken by the Hubble telescope's Wide Field and Planetary Camera 2. The top row of images are wider views of the supernovae. The supernovae were discovered in April 1997 in a ground - based survey at the Canada - France - Hawaii Telescope on Mauna Kea, Hawaii. Once the supernovae were discovered, the Hubble telescope was used to distinguish the supernovae from the light of their host galaxies. A series of Hubble telescope images were taken in May and June 1997 as the supernovae faded. Six Hubble telescope observations spanning five weeks were taken for each supernova. This time series enabled

PIX4583191

Supernovae in the Galaxy of Hunting Dogs - Supernovae in M51 - On the left, image of the galaxy before the appearance of the supernovae, in the centre, with the supernova 2005CS (bright star in the center of the image, in the arm closest to the nucleus of the galaxy); the supernova 2005CS appeared in the galaxy of Hunting Dogs on June 28, 2005. On the right, with the supernova SN2011DH, which appeared on May 31, 2011. Here is a comparison showing the galaxy before (left) and after the supernovae events. The image in the centre shows the supernova 2005CS (which appeared in the galaxy M51 on June 28, 2005); the exploding star is the white dot at center of the image. The image at right shows the supernova SN2011dH, which appeared on May 31, 2011

Supernovae in the Galaxy of Hunting Dogs - Supernovae in M51 - On the left, image of the galaxy before the appearance of the supernovae, in the centre, with the supernova 2005CS (bright star in the center of the image, in the arm closest to the nucleus of the galaxy); the supernova 2005CS appeared in the galaxy of Hunting Dogs on June 28, 2005. On the right, with the supernova SN2011DH, which appeared on May 31, 2011. Here is a comparison showing the galaxy before (left) and after the supernovae events. The image in the centre shows the supernova 2005CS (which appeared in the galaxy M51 on June 28, 2005); the exploding star is the white dot at center of the image. The image at right shows the supernova SN2011dH, which appeared on May 31, 2011

R. Jay GaBany

PIX4582470

Supernovae in the Galaxy of Hunting Dogs - Supernovae in M51 - On the left, image of the galaxy before the appearance of the supernovae, in the centre, with the supernova 2005CS (bright star in the center of the image, in the arm closest to the nucleus of the galaxy); the supernova 2005CS appeared in the galaxy of Hunting Dogs on June 28, 2005. On the right, with the supernova SN2011DH, which appeared on May 31, 2011. Here is a comparison showing the galaxy before (left) and after the supernovae events. The image in the centre shows the supernova 2005CS (which appeared in the galaxy M51 on June 28, 2005); the exploding star is the white dot at center of the image. The image at right shows the supernova SN2011dH, which appeared on May 31, 2011

Supernovae in the Galaxy of Hunting Dogs - Supernovae in M51 - On the left, image of the galaxy before the appearance of the supernovae, in the centre, with the supernova 2005CS (bright star in the center of the image, in the arm closest to the nucleus of the galaxy); the supernova 2005CS appeared in the galaxy of Hunting Dogs on June 28, 2005. On the right, with the supernova SN2011DH, which appeared on May 31, 2011. Here is a comparison showing the galaxy before (left) and after the supernovae events. The image in the centre shows the supernova 2005CS (which appeared in the galaxy M51 on June 28, 2005); the exploding star is the white dot at center of the image. The image at right shows the supernova SN2011dH, which appeared on May 31, 2011

R. Jay GaBany

PIX4582472

The Cosmic Cycle

The Cosmic Cycle

Dixon, Don (b.1951)

PIX5619658

Supernova stellar explosion

Supernova stellar explosion

UIG673460

Supernova stellar explosion

Supernova stellar explosion

UIG673461

Supernova type 1a 1994D in galaxy NGC 4526 - Supernova 1994D in galaxy NGC 4526 - Supernova 1994D, visible as the bright spot on the lower left, occurred in the outskirts of disk galaxy NGC4526. Supernova 1994D was not of interest for how different it was, but rather for how similar it was to other supernovae. In fact, the light emitted during the weeksafter its explosion caused it to be given the familiar designation of a Type Ia supernova. If all Type 1a supernovae have the same intrinsic brightness, then the dimmer a supernova appears, the farther away it must be. By calibrating a precise brightness - distance relation, astronomers are able to estimate not only the expansion rate of the universe (parameterized by the Hubble Constant), but also the geometry of the universe we live in (parameterized by Omega and Lambda). The large number and great distances to supernovae measured in 1998 have been interpreted as indicating that we live in a previously unexpected universe

Supernova type 1a 1994D in galaxy NGC 4526 - Supernova 1994D in galaxy NGC 4526 - Supernova 1994D, visible as the bright spot on the lower left, occurred in the outskirts of disk galaxy NGC4526. Supernova 1994D was not of interest for how different it was, but rather for how similar it was to other supernovae. In fact, the light emitted during the weeksafter its explosion caused it to be given the familiar designation of a Type Ia supernova. If all Type 1a supernovae have the same intrinsic brightness, then the dimmer a supernova appears, the farther away it must be. By calibrating a precise brightness - distance relation, astronomers are able to estimate not only the expansion rate of the universe (parameterized by the Hubble Constant), but also the geometry of the universe we live in (parameterized by Omega and Lambda). The large number and great distances to supernovae measured in 1998 have been interpreted as indicating that we live in a previously unexpected universe

PIX4582396

Galactic atmosphere - Artist view - Galactic atmosphere - Artist view - Artist view - Artist view of the “atmosphere” of our galaxy or gas arches elevent from the galactic plane pushed by currents created by supernovae explosions. Even the galaxy has a kind of weather, in which fountains of tenous gas arch high above the galactic plain through vents blasted by supernova explosions

Galactic atmosphere - Artist view - Galactic atmosphere - Artist view - Artist view - Artist view of the “atmosphere” of our galaxy or gas arches elevent from the galactic plane pushed by currents created by supernovae explosions. Even the galaxy has a kind of weather, in which fountains of tenous gas arch high above the galactic plain through vents blasted by supernova explosions

Dixon, Don (b.1951)

PIX4638236

Spiral galaxy NGC 5584 - Spiral galaxy NGC 5584 - NGC 5584 is located 72 million light years from Earth in the constellation Virgin. This galaxy is home to many Cepheides, variable stars used to accurately measure distances in the universe and calculate the rate of expansion of the universe. Image obtained by the Hubble Space Telescope. The brilliant, blue glow of young stars traces the graceful spiral arms of galaxy NGC 5584 in this Hubble Space Telescope image. Thin, dark dust lanes appear to be flowing from the yellowish core, where older stars reside. The reddish dots sprinkled throughout the image are largely background galaxies. Among the galaxy's myriad stars are pulsating stars called Cepheid variables and one recent Type Ia supernova, a special class of exploding stars. Astronomers use Cepheid variables and Type Ia supernovae as reliable distance markers to measure the university's expansion rate. NGC 5584 was one of eight galaxies astronomers studied to measure the university

Spiral galaxy NGC 5584 - Spiral galaxy NGC 5584 - NGC 5584 is located 72 million light years from Earth in the constellation Virgin. This galaxy is home to many Cepheides, variable stars used to accurately measure distances in the universe and calculate the rate of expansion of the universe. Image obtained by the Hubble Space Telescope. The brilliant, blue glow of young stars traces the graceful spiral arms of galaxy NGC 5584 in this Hubble Space Telescope image. Thin, dark dust lanes appear to be flowing from the yellowish core, where older stars reside. The reddish dots sprinkled throughout the image are largely background galaxies. Among the galaxy's myriad stars are pulsating stars called Cepheid variables and one recent Type Ia supernova, a special class of exploding stars. Astronomers use Cepheid variables and Type Ia supernovae as reliable distance markers to measure the university's expansion rate. NGC 5584 was one of eight galaxies astronomers studied to measure the university

PIX4612766

Old open cluster NGC 2818 and planetary nebula NGC 2818A - Old Open cluster NGC 2818 and planetary nebula in Pyxis - The open cluster NGC 2818 in the southern constellation of the Compsole is distinguished by the fact that most of its bright stars have already become supernovae; this indicates that this cluster must be very old, perhaps a billion years. It has a planetary nebula, NGC 2818A, a star at the end of life. These objects are located approximately 10,000 light years away from Earth. The open cluster NGC 2818 is not very conspicuous because most of the brilliant, massive stars that normally distinguish such groupings have vanished as supernovae, indicating that the cluster is quite mature. The massive stars dominating the scene in young clusters leaving the fainter, long - lived stars behind. Eventually, they too come to the end of their lives, throwing off their outer layers as planetary nebulae. This one, identified as NGC 2818A, is particularly graceful, and its existence su

Old open cluster NGC 2818 and planetary nebula NGC 2818A - Old Open cluster NGC 2818 and planetary nebula in Pyxis - The open cluster NGC 2818 in the southern constellation of the Compsole is distinguished by the fact that most of its bright stars have already become supernovae; this indicates that this cluster must be very old, perhaps a billion years. It has a planetary nebula, NGC 2818A, a star at the end of life. These objects are located approximately 10,000 light years away from Earth. The open cluster NGC 2818 is not very conspicuous because most of the brilliant, massive stars that normally distinguish such groupings have vanished as supernovae, indicating that the cluster is quite mature. The massive stars dominating the scene in young clusters leaving the fainter, long - lived stars behind. Eventually, they too come to the end of their lives, throwing off their outer layers as planetary nebulae. This one, identified as NGC 2818A, is particularly graceful, and its existence su

PIX4622981

Spiral galaxy NGC 3370 in the Lion - Spiral galaxy NGC 3370 in Leo - The spiral galaxy NGC 3370 is located about 100 million years away - light from Earth. In November 1994, light emitting from a supernova type Ia, SN 1994ae, part of this galaxy, reached Earth. In this image taken by the Hubble space telescope in May 2003, this supernova is no longer detectable. On the other hand, the telescope was able to observe in this galaxy cepheides, variable stars used to accurately measure distances in the universe and calculate the rate of expansion of the universe. Many galaxies are visible in the background. The majestic dusty spiral, NGC 3370, looms in the foreground in this NASA Hubble Space Telescope image. Recent observations taken with the Advanced Camera for Surveys show intricate spiral arm structure spotted with hot areas of new star formation. In November 1994, the light of a supernova in nearby NGC 3370 reached Earth. This stellar outburst briefly outshone all of the tens of billio

Spiral galaxy NGC 3370 in the Lion - Spiral galaxy NGC 3370 in Leo - The spiral galaxy NGC 3370 is located about 100 million years away - light from Earth. In November 1994, light emitting from a supernova type Ia, SN 1994ae, part of this galaxy, reached Earth. In this image taken by the Hubble space telescope in May 2003, this supernova is no longer detectable. On the other hand, the telescope was able to observe in this galaxy cepheides, variable stars used to accurately measure distances in the universe and calculate the rate of expansion of the universe. Many galaxies are visible in the background. The majestic dusty spiral, NGC 3370, looms in the foreground in this NASA Hubble Space Telescope image. Recent observations taken with the Advanced Camera for Surveys show intricate spiral arm structure spotted with hot areas of new star formation. In November 1994, the light of a supernova in nearby NGC 3370 reached Earth. This stellar outburst briefly outshone all of the tens of billio

PIX4610684

Spiral galaxy NGC 3370 in the Lion - Spiral galaxy NGC 3370 in Leo - The spiral galaxy NGC 3370 is located about 100 million years away - light from Earth. In November 1994, light emitting from a supernova type Ia, SN 1994ae, part of this galaxy, reached Earth. In this image taken by the Hubble space telescope in May 2003, this supernova is no longer detectable. On the other hand, the telescope was able to observe in this galaxy cepheides, variable stars used to accurately measure distances in the universe and calculate the rate of expansion of the universe. Many galaxies are visible in the background. The majestic dusty spiral, NGC 3370, looms in the foreground in this NASA Hubble Space Telescope image. Recent observations taken with the Advanced Camera for Surveys show intricate spiral arm structure spotted with hot areas of new star formation. In November 1994, the light of a supernova in nearby NGC 3370 reached Earth. This stellar outburst briefly outshone all of the tens of billio

Spiral galaxy NGC 3370 in the Lion - Spiral galaxy NGC 3370 in Leo - The spiral galaxy NGC 3370 is located about 100 million years away - light from Earth. In November 1994, light emitting from a supernova type Ia, SN 1994ae, part of this galaxy, reached Earth. In this image taken by the Hubble space telescope in May 2003, this supernova is no longer detectable. On the other hand, the telescope was able to observe in this galaxy cepheides, variable stars used to accurately measure distances in the universe and calculate the rate of expansion of the universe. Many galaxies are visible in the background. The majestic dusty spiral, NGC 3370, looms in the foreground in this NASA Hubble Space Telescope image. Recent observations taken with the Advanced Camera for Surveys show intricate spiral arm structure spotted with hot areas of new star formation. In November 1994, the light of a supernova in nearby NGC 3370 reached Earth. This stellar outburst briefly outshone all of the tens of billio

PIX4610713

Supernova SN 2006gy in the galaxy NGC 1260 - Infrared view of the supernova SN 2006gy obtained from the Lick Observatory in California. The supernova (right) appears much brighter than the heart of the NGC 1260 galaxy (low glow at the bottom left). This galaxy is located about 240 million light years away from Earth in the constellation Persee. Supernova SN 2006gy is the most powerful supernova ever seen. The death of this extremely massive star (150 times the mass of the Sun) released a hundred times more energy than the supernovae usually observed

Supernova SN 2006gy in the galaxy NGC 1260 - Infrared view of the supernova SN 2006gy obtained from the Lick Observatory in California. The supernova (right) appears much brighter than the heart of the NGC 1260 galaxy (low glow at the bottom left). This galaxy is located about 240 million light years away from Earth in the constellation Persee. Supernova SN 2006gy is the most powerful supernova ever seen. The death of this extremely massive star (150 times the mass of the Sun) released a hundred times more energy than the supernovae usually observed

PIX4582474

Supernova 1993J exploding (artist's impression) - In 1993 the supernova SN 1993J appeared in the galaxy M81. The illustration shows the supergiant red star exploding after transferring a huge mass of hydrogen to its companion star (right). In this artist's view the red supergiant supernova progenitor star (left) is exploding after having transferred about 10 solar masses of hydrogen gas to the blue companion star (right). This interaction process happened over about 250 years and affected the supernova explosion to such an extent that SN 1993J was later known as one of the most peculiar supernovae ever seen

Supernova 1993J exploding (artist's impression) - In 1993 the supernova SN 1993J appeared in the galaxy M81. The illustration shows the supergiant red star exploding after transferring a huge mass of hydrogen to its companion star (right). In this artist's view the red supergiant supernova progenitor star (left) is exploding after having transferred about 10 solar masses of hydrogen gas to the blue companion star (right). This interaction process happened over about 250 years and affected the supernova explosion to such an extent that SN 1993J was later known as one of the most peculiar supernovae ever seen

PIX4583292

Swan Lace - detail ngc 6960 - This image of the Veil Nebula was taken with the Mosaic camera on the WIYN 0.9 - meter telescope at the National Science Foundation's Kitt Peak National Observatory near Tucson, AZ. The Veil Nebula (NGC 6960) is part of a supernova remnant known as the Cygnus Loop. It is the shattered remains of one, and possibly two, supernovae that exploded more than 15,000 years ago at a distance of 2,500 light - years from Earth in the direction of the constellation Cygnus, the Swan. At the time of the explosion, it would have been seen as a very bright star, rivaling the crescent Moon. The bright star near the center of the image, known as 52 Cygnus, is not associated with the supernova

Swan Lace - detail ngc 6960 - This image of the Veil Nebula was taken with the Mosaic camera on the WIYN 0.9 - meter telescope at the National Science Foundation's Kitt Peak National Observatory near Tucson, AZ. The Veil Nebula (NGC 6960) is part of a supernova remnant known as the Cygnus Loop. It is the shattered remains of one, and possibly two, supernovae that exploded more than 15,000 years ago at a distance of 2,500 light - years from Earth in the direction of the constellation Cygnus, the Swan. At the time of the explosion, it would have been seen as a very bright star, rivaling the crescent Moon. The bright star near the center of the image, known as 52 Cygnus, is not associated with the supernova

PIX4582687

Interacting Galaxies Arp 299 - Interacting galaxies Arp 299 - The particular galaxy Arp 299 is located about 150 million light years away from Earth in the constellation of the Great Bear. Composed of galaxies IC 694 and NGC 3690, this interacting system presents important star formations. Astronomers also observed the appearance of several supernovae. Arp 299 is an ultra-aluminous infrared galaxy. Image obtained by the Hubble Space Telescope on 18 March 2002. This system consists of a pair of galaxies, dubbed IC 694 and NGC 3690, which made a close pass some 700 million years ago. As a result of this interaction, the system underwent a fierce burst of star formation. In the last fifteen years or so six supernovae have popped off in the outer reaches of the galaxy, making this system a distinguished supernova factory. Arp 299 belongs to the family of ultra - luminous infrared galaxies and is located in the constellation of Ursa Major, the Great Bear, approximately 150 million light - y

Interacting Galaxies Arp 299 - Interacting galaxies Arp 299 - The particular galaxy Arp 299 is located about 150 million light years away from Earth in the constellation of the Great Bear. Composed of galaxies IC 694 and NGC 3690, this interacting system presents important star formations. Astronomers also observed the appearance of several supernovae. Arp 299 is an ultra-aluminous infrared galaxy. Image obtained by the Hubble Space Telescope on 18 March 2002. This system consists of a pair of galaxies, dubbed IC 694 and NGC 3690, which made a close pass some 700 million years ago. As a result of this interaction, the system underwent a fierce burst of star formation. In the last fifteen years or so six supernovae have popped off in the outer reaches of the galaxy, making this system a distinguished supernova factory. Arp 299 belongs to the family of ultra - luminous infrared galaxies and is located in the constellation of Ursa Major, the Great Bear, approximately 150 million light - y

PIX4610926

Nebula N11 in the Great Magellan Cloud - N11 star forming region in Large Magellanic Cloud (LMC) - N11 (Henize 11) is a vast star-forming region located in the Great Magellan Cloud galaxy. It is home to a cluster of hot young stars, NGC 1760. This glowing complex of rings, shells, and powerful young stars lies in the Large Magellanic Cloud, a satellite galaxy of the Milky Way. The overall complex of glowing gas and stars is known as N11 while the central cluster of hot young blue stars is know as NGC 1760. The complex expanding shells of gas have likely formed from multiple generations of hot O and B type stars and their supernovae. N11 spans over 1000 light years across

Nebula N11 in the Great Magellan Cloud - N11 star forming region in Large Magellanic Cloud (LMC) - N11 (Henize 11) is a vast star-forming region located in the Great Magellan Cloud galaxy. It is home to a cluster of hot young stars, NGC 1760. This glowing complex of rings, shells, and powerful young stars lies in the Large Magellanic Cloud, a satellite galaxy of the Milky Way. The overall complex of glowing gas and stars is known as N11 while the central cluster of hot young blue stars is know as NGC 1760. The complex expanding shells of gas have likely formed from multiple generations of hot O and B type stars and their supernovae. N11 spans over 1000 light years across

R. Gendler

PIX4620765

Barree spiral galaxy NGC 4639 in Virgo - Barred galaxy NGC 4639 in Virgo - The barree spiral galaxy NGC 4639 is located 78 million years - light in the Virgin's galaxy cluster. The blue dots visible on this image obtained by the Hubble Space Telescope are young stars. Other stars, cepheides have also been observed in this galaxy, allowing us to measure their distance with precision. This Hubble Space Telescope image shows NGC 4639, a spiral galaxy located 78 million light - years away in the Virgo cluster of galaxies. The blue dots in the galaxy's outlying regions indicate the presence of young stars. Among them are older, bright stars called Cepheids, which are used as reliable milepost markers to obtain accurate distances to nearby galaxies. Astronomers measure the brightness of Cepheids to calculate the distance to a galaxy. After using Cepheids to calculate the distance to NGC 4639, the team compared the results to the peak brightness measurements of SN 1990N, a type Ia supernova l

Barree spiral galaxy NGC 4639 in Virgo - Barred galaxy NGC 4639 in Virgo - The barree spiral galaxy NGC 4639 is located 78 million years - light in the Virgin's galaxy cluster. The blue dots visible on this image obtained by the Hubble Space Telescope are young stars. Other stars, cepheides have also been observed in this galaxy, allowing us to measure their distance with precision. This Hubble Space Telescope image shows NGC 4639, a spiral galaxy located 78 million light - years away in the Virgo cluster of galaxies. The blue dots in the galaxy's outlying regions indicate the presence of young stars. Among them are older, bright stars called Cepheids, which are used as reliable milepost markers to obtain accurate distances to nearby galaxies. Astronomers measure the brightness of Cepheids to calculate the distance to a galaxy. After using Cepheids to calculate the distance to NGC 4639, the team compared the results to the peak brightness measurements of SN 1990N, a type Ia supernova l

PIX4611731

Spiral galaxy NGC 1961 in Giraffe - NGC 1961 spiral galaxy in Camelopardalis - Spiral galaxy NGC 1961 (Arp 184) in the constellation Giraffe. Image made with a telescope of 61 cm. NGC 1961 (Arp 184) is a problematic galaxy. Its highly disturbed and asymmetric spiral arms would normally indicate an interaction or merger with another galaxy. However, no culprit is found to be the source of NGC 1961's angst. Given the apparent size and brightness of this galaxy - it must be one of the largest galaxies in our “” local”” universe. The shape of the galaxy may be due to its interaction with the gas in the cluster. Most of this galaxy is still producing young and massive stars that live short lives and die violent deaths as supernovae

Spiral galaxy NGC 1961 in Giraffe - NGC 1961 spiral galaxy in Camelopardalis - Spiral galaxy NGC 1961 (Arp 184) in the constellation Giraffe. Image made with a telescope of 61 cm. NGC 1961 (Arp 184) is a problematic galaxy. Its highly disturbed and asymmetric spiral arms would normally indicate an interaction or merger with another galaxy. However, no culprit is found to be the source of NGC 1961's angst. Given the apparent size and brightness of this galaxy - it must be one of the largest galaxies in our “” local”” universe. The shape of the galaxy may be due to its interaction with the gas in the cluster. Most of this galaxy is still producing young and massive stars that live short lives and die violent deaths as supernovae

Adam Block

PIX4609981

Les Dentelles du Cygne - Detail - NGC 6960 - Part of the Veil nebula - NGC 6960 - Part of the rest of the supernova of the Dentelles du Swan lies about 1500 years - light from the Earth. The bright star is 52 Cygnus, a star visible to the naked eye that is not associated with lace. Image obtained with a telescope 61 cm in diameter. The Veil Nebula (NGC 6960) is part of a supernova remnant known as the Cygnus Loop. It is the shattered remains of one, and possibly two, supernovae that exploded less than 10,000 years ago in the direction of the constellation Cygnus, the Swan. At the time of the explosion, it would have been seen as a very bright star, rivaling the crescent Moon. The bright star near the center of the image, known as 52 Cygnus, is not associated with the supernova. Image taken with a 24 - inch telescope

Les Dentelles du Cygne - Detail - NGC 6960 - Part of the Veil nebula - NGC 6960 - Part of the rest of the supernova of the Dentelles du Swan lies about 1500 years - light from the Earth. The bright star is 52 Cygnus, a star visible to the naked eye that is not associated with lace. Image obtained with a telescope 61 cm in diameter. The Veil Nebula (NGC 6960) is part of a supernova remnant known as the Cygnus Loop. It is the shattered remains of one, and possibly two, supernovae that exploded less than 10,000 years ago in the direction of the constellation Cygnus, the Swan. At the time of the explosion, it would have been seen as a very bright star, rivaling the crescent Moon. The bright star near the center of the image, known as 52 Cygnus, is not associated with the supernova. Image taken with a 24 - inch telescope

Adam Block

PIX4582731

Les Dentelles du Cygne - Detail - NGC 6960 - Part of the Veil nebula - NGC 6960 - Part of the rest of the supernova of the Dentelles du Swan lies about 1500 years - light from the Earth. The bright star is 52 Cygnus, a star visible to the naked eye that is not associated with lace. Image obtained with a telescope 61 cm in diameter. The Veil Nebula (NGC 6960) is part of a supernova remnant known as the Cygnus Loop. It is the shattered remains of one, and possibly two, supernovae that exploded less than 10,000 years ago in the direction of the constellation Cygnus, the Swan. At the time of the explosion, it would have been seen as a very bright star, rivaling the crescent Moon. The bright star near the center of the image, known as 52 Cygnus, is not associated with the supernova. Image taken with a 24 - inch telescope

Les Dentelles du Cygne - Detail - NGC 6960 - Part of the Veil nebula - NGC 6960 - Part of the rest of the supernova of the Dentelles du Swan lies about 1500 years - light from the Earth. The bright star is 52 Cygnus, a star visible to the naked eye that is not associated with lace. Image obtained with a telescope 61 cm in diameter. The Veil Nebula (NGC 6960) is part of a supernova remnant known as the Cygnus Loop. It is the shattered remains of one, and possibly two, supernovae that exploded less than 10,000 years ago in the direction of the constellation Cygnus, the Swan. At the time of the explosion, it would have been seen as a very bright star, rivaling the crescent Moon. The bright star near the center of the image, known as 52 Cygnus, is not associated with the supernova. Image taken with a 24 - inch telescope

PIX4582737

Open cluster NGC 4755 - Jewel box - The Jewel Box cluster - The NGC 4755 cluster is located in the constellation of the Southern Cross at a distance of 7800 years - light from Earth. The bright orange star is Kappa Crucis, a supergiant red star. This cluster contains about fifty stars formed about 14 million years ago. NGC4755 (Caldwell 94) is called the Jewel Box, based on John Herschel's comment in the 1830's that it looked like a superb piece of jewelry. There are about 50 stars in this cluster which formed some 14 million years ago. Most of the cluster members are blue giants which in a few million years will exhaust their hydrogen fuel and become red giants on their way to a cataclysmic end as supernovae. One red giant can already be seen at the center of the cluster

Open cluster NGC 4755 - Jewel box - The Jewel Box cluster - The NGC 4755 cluster is located in the constellation of the Southern Cross at a distance of 7800 years - light from Earth. The bright orange star is Kappa Crucis, a supergiant red star. This cluster contains about fifty stars formed about 14 million years ago. NGC4755 (Caldwell 94) is called the Jewel Box, based on John Herschel's comment in the 1830's that it looked like a superb piece of jewelry. There are about 50 stars in this cluster which formed some 14 million years ago. Most of the cluster members are blue giants which in a few million years will exhaust their hydrogen fuel and become red giants on their way to a cataclysmic end as supernovae. One red giant can already be seen at the center of the cluster

R. Gendler

PIX4568254

Spiral Galaxy M83 in Hydra - Spiral galaxy M83 in Hydra - The galaxy M83 (NGC 5236) is located about 15 million years away from Earth. This galaxy is intermediate between a classic spiral and a barree spiral. Image obtained from the 3.9m telescope of Siding Spring, Australia. M83 is thought to be very like our own Galaxy, the Milky Way, but seen from above one of its poles and at a distance of about 15 million light years. Composed of billions of stars and huge clouds of dust and gas, this object is one of the finest examples of a spiral galaxy and shows a concentration of older, yellow stars in its central nucleus with younger, blue stars and patchy red clouds of glowing gas and dark dust lanes in the trailing spiral arms. The massive blue stars occasionally explode as supernovae; at least eight have been seen in Messier 83 in the last 70 years

Spiral Galaxy M83 in Hydra - Spiral galaxy M83 in Hydra - The galaxy M83 (NGC 5236) is located about 15 million years away from Earth. This galaxy is intermediate between a classic spiral and a barree spiral. Image obtained from the 3.9m telescope of Siding Spring, Australia. M83 is thought to be very like our own Galaxy, the Milky Way, but seen from above one of its poles and at a distance of about 15 million light years. Composed of billions of stars and huge clouds of dust and gas, this object is one of the finest examples of a spiral galaxy and shows a concentration of older, yellow stars in its central nucleus with younger, blue stars and patchy red clouds of glowing gas and dark dust lanes in the trailing spiral arms. The massive blue stars occasionally explode as supernovae; at least eight have been seen in Messier 83 in the last 70 years

PIX4612513

Open cluster Trumpler 5 in Unicorn - Open cluster Trumpler 5 in Monoceros - Trumpler 5 is a cluster of stars aged 125 million years. Image obtained by Siding Spring's 3.9m telescope As they age, open clusters of stars begin to lose their identity. This is partly because the brighter members tend to self - destruct as supernovae, and, though the group members share a common motion through space, they are only loosely bound. Thus stars drift away from the cluster in a process that accelerates with time. However, some clusters are big enough to retain their identity much longer than usual, and Trumpler 5 is one such. Its age is estimated to be 125 million years, and it must have been a spectacular sight in its youth. It seems to be at the edge of the Monoceros molecular cloud, where star formation is continuing new generations of young clusters

Open cluster Trumpler 5 in Unicorn - Open cluster Trumpler 5 in Monoceros - Trumpler 5 is a cluster of stars aged 125 million years. Image obtained by Siding Spring's 3.9m telescope As they age, open clusters of stars begin to lose their identity. This is partly because the brighter members tend to self - destruct as supernovae, and, though the group members share a common motion through space, they are only loosely bound. Thus stars drift away from the cluster in a process that accelerates with time. However, some clusters are big enough to retain their identity much longer than usual, and Trumpler 5 is one such. Its age is estimated to be 125 million years, and it must have been a spectacular sight in its youth. It seems to be at the edge of the Monoceros molecular cloud, where star formation is continuing new generations of young clusters

PIX4569009

Spiral Galaxy M83 in Hydra - Spiral galaxy M83 in Hydra - The galaxy M83 (NGC 5236) is located about 15 million years away from Earth. This galaxy is intermediate between a classic spiral and a barree spiral. Image obtained from the 3.9m telescope of Siding Spring, Australia. M83 is thought to be very like our own Galaxy, the Milky Way, but seen from above one of its poles and at a distance of about 15 million light years. Composed of billions of stars and huge clouds of dust and gas, this object is one of the finest examples of a spiral galaxy and shows a concentration of older, yellow stars in its central nucleus with younger, blue stars and patchy red clouds of glowing gas and dark dust lanes in the trailing spiral arms. The massive blue stars occasionally explode as supernovae; at least eight have been seen in Messier 83 in the last 70 years

Spiral Galaxy M83 in Hydra - Spiral galaxy M83 in Hydra - The galaxy M83 (NGC 5236) is located about 15 million years away from Earth. This galaxy is intermediate between a classic spiral and a barree spiral. Image obtained from the 3.9m telescope of Siding Spring, Australia. M83 is thought to be very like our own Galaxy, the Milky Way, but seen from above one of its poles and at a distance of about 15 million light years. Composed of billions of stars and huge clouds of dust and gas, this object is one of the finest examples of a spiral galaxy and shows a concentration of older, yellow stars in its central nucleus with younger, blue stars and patchy red clouds of glowing gas and dark dust lanes in the trailing spiral arms. The massive blue stars occasionally explode as supernovae; at least eight have been seen in Messier 83 in the last 70 years

PIX4612481

Les Dentelles du Cygne - Detail - NGC 6960 - Part of the Veil nebula - NGC 6960 - Part of the rest of the supernova of the Dentelles du Swan lies about 1500 years - light from the Earth. The bright star is 52 Cygnus, a star visible to the naked eye that is not associated with lace. Image in false colors obtained with a telescope measuring 40 cm in diameter through various filters that highlight the oxygen (in blue), and the hydrogen (in red). The Veil Nebula (NGC 6960) is part of a supernova remnant known as the Cygnus Loop. It is the shattered remains of one, and possibly two, supernovae that exploded less than 10,000 years ago in the direction of the constellation Cygnus, the Swan. At the time of the explosion, it would have been seen as a very bright star, rivaling the crescent Moon. The bright star at right, known as 52 Cygnus, is not associated with the supernova. Image taken with a 16 - inch telescope. Red is Hydrogen, Blue is Oxygen

Les Dentelles du Cygne - Detail - NGC 6960 - Part of the Veil nebula - NGC 6960 - Part of the rest of the supernova of the Dentelles du Swan lies about 1500 years - light from the Earth. The bright star is 52 Cygnus, a star visible to the naked eye that is not associated with lace. Image in false colors obtained with a telescope measuring 40 cm in diameter through various filters that highlight the oxygen (in blue), and the hydrogen (in red). The Veil Nebula (NGC 6960) is part of a supernova remnant known as the Cygnus Loop. It is the shattered remains of one, and possibly two, supernovae that exploded less than 10,000 years ago in the direction of the constellation Cygnus, the Swan. At the time of the explosion, it would have been seen as a very bright star, rivaling the crescent Moon. The bright star at right, known as 52 Cygnus, is not associated with the supernova. Image taken with a 16 - inch telescope. Red is Hydrogen, Blue is Oxygen

PIX4582749

Spiral Galaxy M66 in the Lion - Spiral galaxy M66 in Leo - M66 (NGC 3627) is a spiral galaxy located at a distance of about 35 million years - light. M66, with its neighbors M65 and NGC 3628, forms a remarkable triplet of galaxies, called the Lion Triplet or the M66 Group. Image obtained by the Hubble Space Telescope. The unusual spiral galaxy, Messier 66, is located at a distance of about 35 million light - years in the constellation of Leo. Together with Messier 65 and NGC 3628, Messier 66 is one third of the Leo Triplet, a trio of interacting spiral galaxies, part of the larger Messier 66 group. Messier 66 wins out in size over its fellow triplets - - it is about 100 000 light - years across. Messier 66 is the proud owner of exclusive asymmetric spiral arms which seem to climb above the galaxy's main disc and an apparently displaced nucleus. This asymmetry is unusual; most often, dense waves of gas, dust and newly born stars wind about the galaxy's centre in a symmetric way. Astrono

Spiral Galaxy M66 in the Lion - Spiral galaxy M66 in Leo - M66 (NGC 3627) is a spiral galaxy located at a distance of about 35 million years - light. M66, with its neighbors M65 and NGC 3628, forms a remarkable triplet of galaxies, called the Lion Triplet or the M66 Group. Image obtained by the Hubble Space Telescope. The unusual spiral galaxy, Messier 66, is located at a distance of about 35 million light - years in the constellation of Leo. Together with Messier 65 and NGC 3628, Messier 66 is one third of the Leo Triplet, a trio of interacting spiral galaxies, part of the larger Messier 66 group. Messier 66 wins out in size over its fellow triplets - - it is about 100 000 light - years across. Messier 66 is the proud owner of exclusive asymmetric spiral arms which seem to climb above the galaxy's main disc and an apparently displaced nucleus. This asymmetry is unusual; most often, dense waves of gas, dust and newly born stars wind about the galaxy's centre in a symmetric way. Astrono

PIX4610836

Open cluster M11 in the ECU of Sobieski - M11 open cluster in Scutum - M11 (NGC 6705) is a cluster of about 3000 stars. Image obtained by Siding Spring Clusters of bright blue stars like M11 are found scattered among the spiral arms of the Milky Way and other galaxies like it. They are a clear sign that star formation is active, because such clusters are usually very young and short lived. The stars in M11 all formed from the same material and at about the same time, a few million years ago. In 100 million years or so, all the brightest stars in the group will have evolved into cool supergiants and exploded as supernovae, leaving behind large numbers of low mass, relatively faint stars whose lives will be much longer and whose end will be much less dramatic. Located in the constellation of Scutum, it is sometimes mistaken for a loose globular cluster. M11 is also called the “” Wild Duck Cluster”” because of it's resemblance to a flight of wild ducks when viewed in a telescope. M11, wit

Open cluster M11 in the ECU of Sobieski - M11 open cluster in Scutum - M11 (NGC 6705) is a cluster of about 3000 stars. Image obtained by Siding Spring Clusters of bright blue stars like M11 are found scattered among the spiral arms of the Milky Way and other galaxies like it. They are a clear sign that star formation is active, because such clusters are usually very young and short lived. The stars in M11 all formed from the same material and at about the same time, a few million years ago. In 100 million years or so, all the brightest stars in the group will have evolved into cool supergiants and exploded as supernovae, leaving behind large numbers of low mass, relatively faint stars whose lives will be much longer and whose end will be much less dramatic. Located in the constellation of Scutum, it is sometimes mistaken for a loose globular cluster. M11 is also called the “” Wild Duck Cluster”” because of it's resemblance to a flight of wild ducks when viewed in a telescope. M11, wit

PIX4568454

Open cluster NGC 6242 in Scorpio - Open star cluster NGC 6242 in Scorpius - This cluster is about 3500 years old - light from the Sun and is about 50 million years old. A bright yellow star is in the foreground. This cluster is one of many in the sparkling southern constellation of Scorpius. It is marked by a bright yellow star (spectral type K5) which happens to be in the foreground at a distance of about 1000 light years. The cluster itself is about 3,500 light years from the sun. The cluster is slightly dimmed by foreground dust. This so - called interstellar extinction is common with object close to the Galactic plane. Despite this, it is possible to estimate the age of the cluster by measuring the color and relative brightness of its stars. The age turns out to be about 50 million years, which is quite mature for an open cluster of this type. By now, most of the brightest stars will have turned into supernovae and vanished, leaving this quite modest group to compete with the many

Open cluster NGC 6242 in Scorpio - Open star cluster NGC 6242 in Scorpius - This cluster is about 3500 years old - light from the Sun and is about 50 million years old. A bright yellow star is in the foreground. This cluster is one of many in the sparkling southern constellation of Scorpius. It is marked by a bright yellow star (spectral type K5) which happens to be in the foreground at a distance of about 1000 light years. The cluster itself is about 3,500 light years from the sun. The cluster is slightly dimmed by foreground dust. This so - called interstellar extinction is common with object close to the Galactic plane. Despite this, it is possible to estimate the age of the cluster by measuring the color and relative brightness of its stars. The age turns out to be about 50 million years, which is quite mature for an open cluster of this type. By now, most of the brightest stars will have turned into supernovae and vanished, leaving this quite modest group to compete with the many

PIX4568311

Open cluster NGC 6939 and galaxy NGC 6946 - Spiral galaxy NGC 6946 and open cluster NGC 6939 - The spiral galaxy NGC 6946 is located about 10 million years ago - light in Cephee. Many star formations are observed here. The cluster of stars NGC 6939, on the right, belongs to our galaxy. Spiral Galaxy NGC 6946 and Open Cluster NGC 6939 are located about 2 degrees southwest of Eta Cepheus. 6946 is a 9.7 magnitude spiral galaxy that was discovered by William Herschel on September 9, 1798 and is about 10 arc minutes in diameter. It is a relatively close galaxy at a distance of about 10 million light years, and was once suspected by Edwin Hubble of being a member of the Local Group of galaxies that includes the Milky Way, but today it is not believed to be a member. Because we are looking at it through the plane of our own galaxy, it is highly obscured by dust. NGC 6946 is sometimes called the Fireworks galaxy because of the number of supernovae that have been discovered there and the galaxy

Open cluster NGC 6939 and galaxy NGC 6946 - Spiral galaxy NGC 6946 and open cluster NGC 6939 - The spiral galaxy NGC 6946 is located about 10 million years ago - light in Cephee. Many star formations are observed here. The cluster of stars NGC 6939, on the right, belongs to our galaxy. Spiral Galaxy NGC 6946 and Open Cluster NGC 6939 are located about 2 degrees southwest of Eta Cepheus. 6946 is a 9.7 magnitude spiral galaxy that was discovered by William Herschel on September 9, 1798 and is about 10 arc minutes in diameter. It is a relatively close galaxy at a distance of about 10 million light years, and was once suspected by Edwin Hubble of being a member of the Local Group of galaxies that includes the Milky Way, but today it is not believed to be a member. Because we are looking at it through the plane of our own galaxy, it is highly obscured by dust. NGC 6946 is sometimes called the Fireworks galaxy because of the number of supernovae that have been discovered there and the galaxy

Jerry Lodriguss

PIX4568549

Open cluster NGC 4755 - Jewel Box - The Jewel Box star cluster - The NGC 4755 cluster is located in the constellation of the Southern Cross at a distance of 6400 years - light from Earth. The bright orange star on the top right is Kappa Crucis, a supergiant red star. This cluster contains about fifty stars formed about 16 million years ago. This close-up of the center of the cluster was obtained with the Hubble Space Telescope. This image is a “” close - up 'view from the NASA/ESA Hubble Space Telescope of NGC 4755, or the Jewel Box cluster. Several very bright, pale blue supergiant stars, a solitary ruby - red supergiant and a variety of other brilliantly coloured stars are visible in the image, as well as many much fainter ones, often with intriguing colours. The huge variety in brightness exists because the brighter stars are 15 to 20 times the mass of the Sun, while the dimmest stars are less than half the mass of the Sun. This is the first image of an open galactic cluster with im

Open cluster NGC 4755 - Jewel Box - The Jewel Box star cluster - The NGC 4755 cluster is located in the constellation of the Southern Cross at a distance of 6400 years - light from Earth. The bright orange star on the top right is Kappa Crucis, a supergiant red star. This cluster contains about fifty stars formed about 16 million years ago. This close-up of the center of the cluster was obtained with the Hubble Space Telescope. This image is a “” close - up 'view from the NASA/ESA Hubble Space Telescope of NGC 4755, or the Jewel Box cluster. Several very bright, pale blue supergiant stars, a solitary ruby - red supergiant and a variety of other brilliantly coloured stars are visible in the image, as well as many much fainter ones, often with intriguing colours. The huge variety in brightness exists because the brighter stars are 15 to 20 times the mass of the Sun, while the dimmest stars are less than half the mass of the Sun. This is the first image of an open galactic cluster with im

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Detail in the Tarantula Nebula - Part of the Tarantula Nebula - The Tarantula Nebula (or 30 Bream bream) is the largest star-forming region of the Magellan Cloud. It is located 170,000 light years ago in the constellation Dorado (southern hemisphere). This image obtained by the Hubble Space Telescope (HST) shows a detail of the nebula around NGC 2060, a cluster of stars associated with a remnant of supernova (N157b) housing a pulsar. The part of the Tarentula nebula visible in this image from Hubble's Advanced Camera for Surveys is criss - crossed with tendrils of dust and gas churned up by recent supernovae. These supernova remnants include NGC 2060, visible above and to the left of the centre of this image, which contains the brightest known pulsar. The tarantula's bite goes beyond NGC 2060. Near the edge of the nebula, outside the frame, below and to the right, lie the remains of supernova SN 1987a, the closest supernova to Earth to be observed since the invention of telescopes in t

Detail in the Tarantula Nebula - Part of the Tarantula Nebula - The Tarantula Nebula (or 30 Bream bream) is the largest star-forming region of the Magellan Cloud. It is located 170,000 light years ago in the constellation Dorado (southern hemisphere). This image obtained by the Hubble Space Telescope (HST) shows a detail of the nebula around NGC 2060, a cluster of stars associated with a remnant of supernova (N157b) housing a pulsar. The part of the Tarentula nebula visible in this image from Hubble's Advanced Camera for Surveys is criss - crossed with tendrils of dust and gas churned up by recent supernovae. These supernova remnants include NGC 2060, visible above and to the left of the centre of this image, which contains the brightest known pulsar. The tarantula's bite goes beyond NGC 2060. Near the edge of the nebula, outside the frame, below and to the right, lie the remains of supernova SN 1987a, the closest supernova to Earth to be observed since the invention of telescopes in t

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Detail of the Tarantula Nebula (NGC 2070) in the Dorado - Central region of the Tarantula Nebula - The Tarantula Nebula (or 30 Dorado) is the largest star-forming region of the Magellan Cloud. It is located 170,000 light years ago in the constellation Dorado (southern hemisphere). At the center of this nebula, the open cluster of R136 stars, clusters of young, hot and massive stars, aged just 5 million years. Mosaic of 15 images obtained by the Hubble Space Telescope. The Tarantula is situated 170,000 light - years away in the Large Magellanic Cloud (LMC) in the Southern sky and is clearly visible to the naked eye as a large milky patch. Astronomers believe that this smallish irregular galaxy is currently going through a violent period in its life. It is orbiting around the Milky Way and has had several close encounters with it. It is believed that the interaction with the Milky Way has caused an episode of energetic star formation - part of which is visible as the Tarantula Nebula. Ju

Detail of the Tarantula Nebula (NGC 2070) in the Dorado - Central region of the Tarantula Nebula - The Tarantula Nebula (or 30 Dorado) is the largest star-forming region of the Magellan Cloud. It is located 170,000 light years ago in the constellation Dorado (southern hemisphere). At the center of this nebula, the open cluster of R136 stars, clusters of young, hot and massive stars, aged just 5 million years. Mosaic of 15 images obtained by the Hubble Space Telescope. The Tarantula is situated 170,000 light - years away in the Large Magellanic Cloud (LMC) in the Southern sky and is clearly visible to the naked eye as a large milky patch. Astronomers believe that this smallish irregular galaxy is currently going through a violent period in its life. It is orbiting around the Milky Way and has had several close encounters with it. It is believed that the interaction with the Milky Way has caused an episode of energetic star formation - part of which is visible as the Tarantula Nebula. Ju

PIX4618229

Spiral Galaxy NGC 3079 in the Great Bear - Spiral galaxy NGC 3079 - NGC 3079 is a spiral galaxy distant about 50 million years - light from Earth. His disc measures about 70,000 years - light. This false-colored image obtained by the Hubble Space Telescope in 1998 shows that a huge gas bubble escapes from the galaxy. This bubble rises more than 3500 years ago - light above the disk of the galaxy. It is a wind from hot stars and blends with very hot gas from supernovae explosions that would cause this bubble. The picture shows the bubble in the center of the NGC 3079 galaxy's disk. The structure is more than 3,000 light - years wide and rises 3,500 light - years above the galaxy's disk. Astronomers suspect that the bubble is being blown by “” winds”” (high - speed streams of particles) released during a burst of star formation. Eventually, this gas will rain down upon the galaxy's disk where it may collide with gas clouds, compress them, and form a new generation of stars. The two white

Spiral Galaxy NGC 3079 in the Great Bear - Spiral galaxy NGC 3079 - NGC 3079 is a spiral galaxy distant about 50 million years - light from Earth. His disc measures about 70,000 years - light. This false-colored image obtained by the Hubble Space Telescope in 1998 shows that a huge gas bubble escapes from the galaxy. This bubble rises more than 3500 years ago - light above the disk of the galaxy. It is a wind from hot stars and blends with very hot gas from supernovae explosions that would cause this bubble. The picture shows the bubble in the center of the NGC 3079 galaxy's disk. The structure is more than 3,000 light - years wide and rises 3,500 light - years above the galaxy's disk. Astronomers suspect that the bubble is being blown by “” winds”” (high - speed streams of particles) released during a burst of star formation. Eventually, this gas will rain down upon the galaxy's disk where it may collide with gas clouds, compress them, and form a new generation of stars. The two white

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Nebula N44 in the Large Magellan Cloud - Superbubble LHA 120 - N 44 in the Large Magellanic Cloud - This image obtained by the Very Large Telescope (VLT) shows the nebula N44 surrounding the cluster of stars NGC 1929. It is a star-forming region located in the galaxy of the Great Magellan Cloud, about 170,000 light years from Earth. Eso's Very Large Telescope captured this striking view of the nebula around the star cluster NGC 1929 within the Large Magellanic Cloud, a satellite galaxy of our own Milky Way. A colossal example of what astronomers call a superbubble dominates this stellar nursery. It is being carved by the winds from bright young stars and the shockwaves from supernova explosions. This nebula is officially known as LHA 120 - N 44, or just N 44 for short. Hot young stars in NGC 1929 are emitting intense ultraviolet light and causing the gas to glow. This effect highlights the aptly - named superbubble, a vast shell of material around 325 by 250 light - years across. For c

Nebula N44 in the Large Magellan Cloud - Superbubble LHA 120 - N 44 in the Large Magellanic Cloud - This image obtained by the Very Large Telescope (VLT) shows the nebula N44 surrounding the cluster of stars NGC 1929. It is a star-forming region located in the galaxy of the Great Magellan Cloud, about 170,000 light years from Earth. Eso's Very Large Telescope captured this striking view of the nebula around the star cluster NGC 1929 within the Large Magellanic Cloud, a satellite galaxy of our own Milky Way. A colossal example of what astronomers call a superbubble dominates this stellar nursery. It is being carved by the winds from bright young stars and the shockwaves from supernova explosions. This nebula is officially known as LHA 120 - N 44, or just N 44 for short. Hot young stars in NGC 1929 are emitting intense ultraviolet light and causing the gas to glow. This effect highlights the aptly - named superbubble, a vast shell of material around 325 by 250 light - years across. For c

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Barree spiral galaxy NGC 1559 and supernova - Barred spiral galaxy NGC 1559 with a supernova - The galaxy NGC 1559 is a galaxy of Seyfert located about 50 million years ago - light in the constellation Reticule. In this image obtained in 2005 by the Kueyen European telescope of the VLT in Chile, a bright star is visible just above the galaxy, a supernova of type Ia named SN 2005df. On the night of August 4, 2005, an amateur astronomer and supernovae discoverer Reverend Robert Evans discovered a supernova just North of this galaxy. This supernova is classified as a somewhat unusual type Ia supernova, caught probably 10 days before it reached its maximum brightness. Such a supernova is thought to be the result of the explosion of a small and dense star - a white dwarf - inside a binary system. As its companion was continuously spilling matter onto the white dwarf, the white dwarf reached a critical mass, leading to a fatal instability. NGC 1559 is a SBc (s) - type spiral galaxy located a

Barree spiral galaxy NGC 1559 and supernova - Barred spiral galaxy NGC 1559 with a supernova - The galaxy NGC 1559 is a galaxy of Seyfert located about 50 million years ago - light in the constellation Reticule. In this image obtained in 2005 by the Kueyen European telescope of the VLT in Chile, a bright star is visible just above the galaxy, a supernova of type Ia named SN 2005df. On the night of August 4, 2005, an amateur astronomer and supernovae discoverer Reverend Robert Evans discovered a supernova just North of this galaxy. This supernova is classified as a somewhat unusual type Ia supernova, caught probably 10 days before it reached its maximum brightness. Such a supernova is thought to be the result of the explosion of a small and dense star - a white dwarf - inside a binary system. As its companion was continuously spilling matter onto the white dwarf, the white dwarf reached a critical mass, leading to a fatal instability. NGC 1559 is a SBc (s) - type spiral galaxy located a

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Supernova Sn 2004dj in galaxy NGC 2403 - Supernova Sn 2004dj in galaxy NGC 2403 - The supenova Sn 2004dj (visible on the left, in the middle of the picture) shines like 200 million Sun. This star is located in the galaxy NGC 2403, a galaxy 11 million years apart - light. Before exploding into a Type II supernova, the star was a star 15 times more massive than the Sun. The other bright stars visible in the image belong to our lactee path. Composite images obtained from the Hubble Space Telescope (HST) and the Subaru Telescope. The explosion of a massive star blazes with the light of 200 million Suns in this image. The supernova is so bright in this image that it easily could be mistaken for a foreground star in our Milky Way Galaxy. And yet, this supernova, called SN 2004dj (middle left), resides far beyond our galaxy. Its home is in the outskirts of NGC 2403, a galaxy located 11 million light - years from Earth. Although the supernova is far from Earth, it is the closest stellar explos

Supernova Sn 2004dj in galaxy NGC 2403 - Supernova Sn 2004dj in galaxy NGC 2403 - The supenova Sn 2004dj (visible on the left, in the middle of the picture) shines like 200 million Sun. This star is located in the galaxy NGC 2403, a galaxy 11 million years apart - light. Before exploding into a Type II supernova, the star was a star 15 times more massive than the Sun. The other bright stars visible in the image belong to our lactee path. Composite images obtained from the Hubble Space Telescope (HST) and the Subaru Telescope. The explosion of a massive star blazes with the light of 200 million Suns in this image. The supernova is so bright in this image that it easily could be mistaken for a foreground star in our Milky Way Galaxy. And yet, this supernova, called SN 2004dj (middle left), resides far beyond our galaxy. Its home is in the outskirts of NGC 2403, a galaxy located 11 million light - years from Earth. Although the supernova is far from Earth, it is the closest stellar explos

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Remains of the supernova Cassiopee A/HST - Cassiopeia A: Colorful, Shredded Remains of Old Supernova Glowing gaseous streamers of red, white, and blue - - as well as green and pink - - illuminate the heavens like Fourth of July fireworks. The colorful streamers that float across the sky in this photo taken by Nasa's Hubble Space Telescope were created by one of the biggest firecrackers seen to go off in our galaxy in recorded history, the titanic supernova explosion of a massive star. The light from the exploding star reached Earth 320 years ago, nearly a century before our United States celebrated its birth with a blow. The dead star's shredded remains are called Cassiopeia A, or “” Cas A”” for short. Cas A is the youngest known supernova remnant in our Milky Way Galaxy and resides 10,000 light - years away in the constellation Cassiopeia, so the star actually blew up 10,000 years before the light reached Earth in the late 1600s. This stunning Hubble image of Cas A is allowing astrono

Remains of the supernova Cassiopee A/HST - Cassiopeia A: Colorful, Shredded Remains of Old Supernova Glowing gaseous streamers of red, white, and blue - - as well as green and pink - - illuminate the heavens like Fourth of July fireworks. The colorful streamers that float across the sky in this photo taken by Nasa's Hubble Space Telescope were created by one of the biggest firecrackers seen to go off in our galaxy in recorded history, the titanic supernova explosion of a massive star. The light from the exploding star reached Earth 320 years ago, nearly a century before our United States celebrated its birth with a blow. The dead star's shredded remains are called Cassiopeia A, or “” Cas A”” for short. Cas A is the youngest known supernova remnant in our Milky Way Galaxy and resides 10,000 light - years away in the constellation Cassiopeia, so the star actually blew up 10,000 years before the light reached Earth in the late 1600s. This stunning Hubble image of Cas A is allowing astrono

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Galaxy NGC 2403 - Spiral galaxy NGC 2403 distant about 11 - 12 million years - light in the constellation Giraffe.The supenova Sn 2004dj (visible on the left, in the middle of the picture) shines like 200 million Sun. Before exploding into a Type II supernova, the star was a star 15 times more massive than the Sun. The other bright stars visible in the image belong to our lactee path. Composite images obtained from the Hubble Space Telescope (HST) and the Subaru Telescope. The explosion of a massive star blazes with the light of 200 million Suns in this image. The supernova (middle left in the image) is so bright in this image that it easily could be mistaken for a foreground star in our Milky Way Galaxy. And yet, this supernova, called SN 2004dj (middle left), resides far beyond our galaxy. Its home is in the outskirts of NGC 2403, a galaxy located 11 million light - years from Earth. Although the supernova is far from Earth, it is the closest stellar explosion discovered in more than

Galaxy NGC 2403 - Spiral galaxy NGC 2403 distant about 11 - 12 million years - light in the constellation Giraffe.The supenova Sn 2004dj (visible on the left, in the middle of the picture) shines like 200 million Sun. Before exploding into a Type II supernova, the star was a star 15 times more massive than the Sun. The other bright stars visible in the image belong to our lactee path. Composite images obtained from the Hubble Space Telescope (HST) and the Subaru Telescope. The explosion of a massive star blazes with the light of 200 million Suns in this image. The supernova (middle left in the image) is so bright in this image that it easily could be mistaken for a foreground star in our Milky Way Galaxy. And yet, this supernova, called SN 2004dj (middle left), resides far beyond our galaxy. Its home is in the outskirts of NGC 2403, a galaxy located 11 million light - years from Earth. Although the supernova is far from Earth, it is the closest stellar explosion discovered in more than

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Galaxy NGC 4631 in Hunting Dogs - Spiral galaxy NGC 4631 in Canes Venatici - Spiral galaxy seen by the slice located at a distance of 30 million years - light. Image obtained by the Hubble Space Telescope (HST). The NASA/ESA Hubble Space Telescope has peered deep into NGC 4631, better known as the Whale Galaxy. Here, a profusion of starbirth lights up the galactic centre, revealing bands of dark material between us and the starburst. The galaxy's activity tapers off in its outer regions where there are fewer stars and less dust, but these are still punctuated by pockets of star formation. The Whale Galaxy is about 30 million light - years away from us in the constellation of Canes Venatici (The Hunting Dogs) and is a spiral galaxy much like the Milky Way. From our vantage point, however, we see the Whale Galaxy edge - on, seeing its glowing centre through dusty spiral arms. The galaxy's central bulge and asymmetric tapering disc have suggested the shape of a whale or a herring to past

Galaxy NGC 4631 in Hunting Dogs - Spiral galaxy NGC 4631 in Canes Venatici - Spiral galaxy seen by the slice located at a distance of 30 million years - light. Image obtained by the Hubble Space Telescope (HST). The NASA/ESA Hubble Space Telescope has peered deep into NGC 4631, better known as the Whale Galaxy. Here, a profusion of starbirth lights up the galactic centre, revealing bands of dark material between us and the starburst. The galaxy's activity tapers off in its outer regions where there are fewer stars and less dust, but these are still punctuated by pockets of star formation. The Whale Galaxy is about 30 million light - years away from us in the constellation of Canes Venatici (The Hunting Dogs) and is a spiral galaxy much like the Milky Way. From our vantage point, however, we see the Whale Galaxy edge - on, seeing its glowing centre through dusty spiral arms. The galaxy's central bulge and asymmetric tapering disc have suggested the shape of a whale or a herring to past

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Barree spiral galaxy NGC 1097 in the Furnace - Barred spiral galaxy NGC 1097 in Fornax - Located at a distance of about 45 million years - light, NGC 1097 is the object of intense star formation and is an active core galaxy with a supermassive black hole in its heart. Image obtained by the Hubble Space Telescope (HST). The NASA/ESA Hubble Space Telescope provides us with a spectacular image of the bright star - forming ring that surrounds the heart of the barred spiral galaxy NGC 1097. In this image, the larger - scale structure of the galaxy is barely visible: its comparatively dim spiral arms, which surround its heart in a loose embrace, reach out beyond the edges of this frame. This face - on galaxy, lying 45 million light - years away from Earth in the southern constellation of Fornax (The Furnace), is particularly attractive for astronomers. NGC 1097 is a Seyfert galaxy. Lurking at the very centre of the galaxy, a supermassive black hole 100 million times the mass of our Sun is gr

Barree spiral galaxy NGC 1097 in the Furnace - Barred spiral galaxy NGC 1097 in Fornax - Located at a distance of about 45 million years - light, NGC 1097 is the object of intense star formation and is an active core galaxy with a supermassive black hole in its heart. Image obtained by the Hubble Space Telescope (HST). The NASA/ESA Hubble Space Telescope provides us with a spectacular image of the bright star - forming ring that surrounds the heart of the barred spiral galaxy NGC 1097. In this image, the larger - scale structure of the galaxy is barely visible: its comparatively dim spiral arms, which surround its heart in a loose embrace, reach out beyond the edges of this frame. This face - on galaxy, lying 45 million light - years away from Earth in the southern constellation of Fornax (The Furnace), is particularly attractive for astronomers. NGC 1097 is a Seyfert galaxy. Lurking at the very centre of the galaxy, a supermassive black hole 100 million times the mass of our Sun is gr

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Kepler is the rest of a supernova that exploded about 400 years ago located about 13,000 light years from Earth in the constellation Ophiuchus. This image obtained from the Hubble space telescope shows the filamentous structures of gases heated in contact with the shock wave. Composite of images obtained in August 2003 and May 2004; cumulative poses of 6 hours 30 minutes - Visible-light images from the Hubble telescope's Advanced Camera for Surveys reveal where the supernova shock wave is slamming into the densest regions of surrounding gas. The bright glowing knots are dense clumps from instabilities that form behind the shock wave. The Hubble data also show thin filaments of gas that look like rippled sheets seen edge-on. These filaments reveal where the shock wave is encountering low-density, more uniform interstellar material. Hubble's image was taken with the Advanced Camera for Surveys (ACS) on August 28/29, 2003 & May 26, 2004 for a total of 6.5 hours: Remains of the supernova K

Kepler is the rest of a supernova that exploded about 400 years ago located about 13,000 light years from Earth in the constellation Ophiuchus. This image obtained from the Hubble space telescope shows the filamentous structures of gases heated in contact with the shock wave. Composite of images obtained in August 2003 and May 2004; cumulative poses of 6 hours 30 minutes - Visible-light images from the Hubble telescope's Advanced Camera for Surveys reveal where the supernova shock wave is slamming into the densest regions of surrounding gas. The bright glowing knots are dense clumps from instabilities that form behind the shock wave. The Hubble data also show thin filaments of gas that look like rippled sheets seen edge-on. These filaments reveal where the shock wave is encountering low-density, more uniform interstellar material. Hubble's image was taken with the Advanced Camera for Surveys (ACS) on August 28/29, 2003 & May 26, 2004 for a total of 6.5 hours: Remains of the supernova K

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Remains of the supernova Cassiopee - A - Supernova remnant Cassiopeia A - Cassiopee A is the rest of a supernova that exploded about 300 years ago. This image shows the expanding gas shell. From this gas will one day create new stars and planets. Cassiopee - A is located about 10,000 light years away from Earth in the constellation Cassiopee. Image obtained on September 5, 2008 with a telescope measuring 61 cm in diameter. Cassiopeia A (Cas A) is the youngest known remnant from a supernova explosion in the Milky Way. Cas A is located ten thousand light - years away from Earth in the constellation of Cassiopeia. Image taken on September 5 2008 with a 24 - inch telescope

Remains of the supernova Cassiopee - A - Supernova remnant Cassiopeia A - Cassiopee A is the rest of a supernova that exploded about 300 years ago. This image shows the expanding gas shell. From this gas will one day create new stars and planets. Cassiopee - A is located about 10,000 light years away from Earth in the constellation Cassiopee. Image obtained on September 5, 2008 with a telescope measuring 61 cm in diameter. Cassiopeia A (Cas A) is the youngest known remnant from a supernova explosion in the Milky Way. Cas A is located ten thousand light - years away from Earth in the constellation of Cassiopeia. Image taken on September 5 2008 with a 24 - inch telescope

Adam Block

PIX4582987

Galaxy of the Wheel of the Charette in the Sculptor - The Cartwheel Galaxy - The ring galaxy of the Wheel of the Charette is about 500 million years away - light from Earth. It is surrounded by a ring of 150,000 years - light of diameter composed of young and very bright stars (detail at the top left). This particular form is the result of a collision, probably with one of the two galaxies on the right. Bottom left, close-up on the nucleus of the galaxy. Image obtained by the Hubble Space Telescope in October 1994. A rare and spectacular head - on collision between two galaxies appears in this NASA Hubble Space Telescope true - color image of the Cartwheel Galaxy, located 500 million light - years away in the constellation Sculptor. The details of star birth resolved by Hubble provide an opportunity to study how extremely massive stars are born in large fragmented gas clouds. The striking ring - like feature is a direct result of a smaller intruder galaxy - - possibly one of two object

Galaxy of the Wheel of the Charette in the Sculptor - The Cartwheel Galaxy - The ring galaxy of the Wheel of the Charette is about 500 million years away - light from Earth. It is surrounded by a ring of 150,000 years - light of diameter composed of young and very bright stars (detail at the top left). This particular form is the result of a collision, probably with one of the two galaxies on the right. Bottom left, close-up on the nucleus of the galaxy. Image obtained by the Hubble Space Telescope in October 1994. A rare and spectacular head - on collision between two galaxies appears in this NASA Hubble Space Telescope true - color image of the Cartwheel Galaxy, located 500 million light - years away in the constellation Sculptor. The details of star birth resolved by Hubble provide an opportunity to study how extremely massive stars are born in large fragmented gas clouds. The striking ring - like feature is a direct result of a smaller intruder galaxy - - possibly one of two object

PIX4613572

Remains of supernova IC 443 in the Gemels - Supernova remnant IC 443 in Gemini - Located about 5000 years ago - light from Earth, IC 443 is the rest of a supernova that exploded 30,000 years ago. This image obtained with a telescope 61 cm in diameter shows a detail of this object. Part of IC 443, a supernova remnant in Gemini

Remains of supernova IC 443 in the Gemels - Supernova remnant IC 443 in Gemini - Located about 5000 years ago - light from Earth, IC 443 is the rest of a supernova that exploded 30,000 years ago. This image obtained with a telescope 61 cm in diameter shows a detail of this object. Part of IC 443, a supernova remnant in Gemini

Adam Block

PIX4582533

Supernova Sn 2004dj in the galaxy NGC 2403 - The explosion of a massive star blazes with the light of 200 million Suns in this NASA Hubble Space Telescope image. The supernova is so bright in this image that it easily could be mistaken for a foreground star in our Milky Way Galaxy. And yet, this supernova, called SN 2004dj, resides far beyond our galaxy. Its home is in the outskirts of NGC 2403, a galaxy located 11 million light - years from Earth. Although the supernova is far from Earth, it is the closest stellar explosion discovered in more than a decade. The star that became SN 2004dj may have been about 15 times as massive as the Sun, and only about 14 million years old. (Massive stars live much shorter lives than the Sun; they have more fuel to “” burn”” through nuclear fusion, but they use it up at a disproportionately faster rate.) The large number of massive stars in NGC 2403 leads to a high supernova rate. Two other supernovae have been seen in this galaxy during the past hal

Supernova Sn 2004dj in the galaxy NGC 2403 - The explosion of a massive star blazes with the light of 200 million Suns in this NASA Hubble Space Telescope image. The supernova is so bright in this image that it easily could be mistaken for a foreground star in our Milky Way Galaxy. And yet, this supernova, called SN 2004dj, resides far beyond our galaxy. Its home is in the outskirts of NGC 2403, a galaxy located 11 million light - years from Earth. Although the supernova is far from Earth, it is the closest stellar explosion discovered in more than a decade. The star that became SN 2004dj may have been about 15 times as massive as the Sun, and only about 14 million years old. (Massive stars live much shorter lives than the Sun; they have more fuel to “” burn”” through nuclear fusion, but they use it up at a disproportionately faster rate.) The large number of massive stars in NGC 2403 leads to a high supernova rate. Two other supernovae have been seen in this galaxy during the past hal

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Supernova Remnants SNR B0509 - 67.5 - Supernova Remnant SNR B0509 - 67.5 - SNR B0509 - 67.5 (or SNR 0509) is the rest of a star explosion in the galaxy of the Great Magellan Cloud. This 23-year bubble - light of diameter extends at a speed of 18 million km/h. Composite of images obtained by the Hubble Space Telescope (HST) in 2006 and 2010. This delicate shell, photographed by the NASA/ESA Hubble Space Telescope, appears to float serenely in the depths of space, but this apparent calm hides an inner turmoil. The gaseous envelope formed as the expanding blast wave and ejected material from a supernova tore through the nearby interstellar medium. Called SNR B0509 - 67.5 (or SNR 0509 for short), the bubble is the visible remnant of a powerful stellar explosion in the Large Magellanic Cloud (LMC), a small galaxy about 160,000 light - years from Earth. Ripples in the shell's surface may be caused either by subtle variations in the density of the ambient interstellar gas, or possibly be driv

Supernova Remnants SNR B0509 - 67.5 - Supernova Remnant SNR B0509 - 67.5 - SNR B0509 - 67.5 (or SNR 0509) is the rest of a star explosion in the galaxy of the Great Magellan Cloud. This 23-year bubble - light of diameter extends at a speed of 18 million km/h. Composite of images obtained by the Hubble Space Telescope (HST) in 2006 and 2010. This delicate shell, photographed by the NASA/ESA Hubble Space Telescope, appears to float serenely in the depths of space, but this apparent calm hides an inner turmoil. The gaseous envelope formed as the expanding blast wave and ejected material from a supernova tore through the nearby interstellar medium. Called SNR B0509 - 67.5 (or SNR 0509 for short), the bubble is the visible remnant of a powerful stellar explosion in the Large Magellanic Cloud (LMC), a small galaxy about 160,000 light - years from Earth. Ripples in the shell's surface may be caused either by subtle variations in the density of the ambient interstellar gas, or possibly be driv

PIX4583175

Detail of the Swan Lace - NGC 6992 - 6995 part of the Veil nebula - NGC 6992 and NGC 6995, parts of the Swan lace, a remnant of supernova located in the constellation Swan. NGC 6992/5 is part of the remnant of a supernova explosion that occurred about 5 - 10,000 years ago. It is the brighter, eastern half of the much larger Veil Nebula. It is located 1,500 light years away in the constellation Cygnus

Detail of the Swan Lace - NGC 6992 - 6995 part of the Veil nebula - NGC 6992 and NGC 6995, parts of the Swan lace, a remnant of supernova located in the constellation Swan. NGC 6992/5 is part of the remnant of a supernova explosion that occurred about 5 - 10,000 years ago. It is the brighter, eastern half of the much larger Veil Nebula. It is located 1,500 light years away in the constellation Cygnus

R. Gendler

PIX4582557

This image, PIA06908, and PIA06910 represent views of Kepler's supernova remnant taken in X-rays, visible light, and infrared radiation

This image, PIA06908, and PIA06910 represent views of Kepler's supernova remnant taken in X-rays, visible light, and infrared radiation

UIG3524422

Irregular dwarf galaxy I Zwicky 18 - Irregular dwarf galaxy I Zwicky 18 - The irregular dwarf galaxy I Zwicky 18 is located 59 million years - light in the Great Bear and extends over about 3000 years - light. The two bright white spots are star-forming regions. At the top left, another galaxy is visible. This galaxy could be interacting with I Zwicky 18. This image is the result of observations made by the Hubble Space Telescope in 2005 and 2006. Called I Zwicky 18, this galaxy has a youthful appearance that resembles galaxies typically found only in the early universe. Hubble has now found faint, older stars within this galaxy, suggesting that the galaxy may have formed at the same time as most other galaxies. I Zwicky 18 is classified as a dwarf irregular galaxy and is much smaller than our Milky Way Galaxy. The concentrated bluish - white knots embedded in the heart of the galaxy are two major starburst regions where stars are forming at a furious rate. The wispy blue filaments sur

Irregular dwarf galaxy I Zwicky 18 - Irregular dwarf galaxy I Zwicky 18 - The irregular dwarf galaxy I Zwicky 18 is located 59 million years - light in the Great Bear and extends over about 3000 years - light. The two bright white spots are star-forming regions. At the top left, another galaxy is visible. This galaxy could be interacting with I Zwicky 18. This image is the result of observations made by the Hubble Space Telescope in 2005 and 2006. Called I Zwicky 18, this galaxy has a youthful appearance that resembles galaxies typically found only in the early universe. Hubble has now found faint, older stars within this galaxy, suggesting that the galaxy may have formed at the same time as most other galaxies. I Zwicky 18 is classified as a dwarf irregular galaxy and is much smaller than our Milky Way Galaxy. The concentrated bluish - white knots embedded in the heart of the galaxy are two major starburst regions where stars are forming at a furious rate. The wispy blue filaments sur

PIX4613873

Planetary nebula NGC 2818 - Planetary nebula NGC 2818 in Pyxis - The open cluster NGC 2818A in the southern constellation of the Compsole is distinguished by the fact that most of its bright stars have already become supernovae; this indicates that this cluster must be very old, perhaps a billion years. It has a planetary nebula, NGC 2818, photographed here by the Hubble space telescope in November 2008. A planetary nebula is an end-of-life star. NGC 2818 (also called PLN 261+8.1) is located about 10,000 light years from Earth. The unique planetary nebula NGC 2818 is nested inside the open star cluster NGC 2818A. Both the cluster and the nebula reside over 10,000 light - years away, in the southern constellation Pyxis (the Compasss). NGC 2818 is one of very few planetary nebulae in our galaxy located within an open cluster. Open clusters, in general, are loosely bound and they disperse over hundreds of millions of years. Stars that form planetary nebulae typically live for billions of

Planetary nebula NGC 2818 - Planetary nebula NGC 2818 in Pyxis - The open cluster NGC 2818A in the southern constellation of the Compsole is distinguished by the fact that most of its bright stars have already become supernovae; this indicates that this cluster must be very old, perhaps a billion years. It has a planetary nebula, NGC 2818, photographed here by the Hubble space telescope in November 2008. A planetary nebula is an end-of-life star. NGC 2818 (also called PLN 261+8.1) is located about 10,000 light years from Earth. The unique planetary nebula NGC 2818 is nested inside the open star cluster NGC 2818A. Both the cluster and the nebula reside over 10,000 light - years away, in the southern constellation Pyxis (the Compasss). NGC 2818 is one of very few planetary nebulae in our galaxy located within an open cluster. Open clusters, in general, are loosely bound and they disperse over hundreds of millions of years. Stars that form planetary nebulae typically live for billions of

PIX4622959

Remains of the Supernova of Vails - Detail - The Vela supernova remnant - Nearly 12,000 years ago, a massive star exploded in the constellation Vails. This image shows part of the rest of this supernova where the hydrogen atoms appear in red and the oxygen in blue - green. Approximately 11,000 to 12,000 years ago a massive star exploded in the southern constellation of Vela. The matter ejected by the supernova scattered the contents of the star into the surrounding interstellar medium creating shock fronts of multimillion degree gas and high energy particles. The heated matter produces brilliant visible light as well as radio and x - ray emission which will continue for thousands of years until the entire remnant of the dying star completely dissipates into space. This image captures some of that filamentary and gigantic shock in visible light. Hydrogen atoms being excited by atomic collisions glow red, while oxygen appears blue - green

Remains of the Supernova of Vails - Detail - The Vela supernova remnant - Nearly 12,000 years ago, a massive star exploded in the constellation Vails. This image shows part of the rest of this supernova where the hydrogen atoms appear in red and the oxygen in blue - green. Approximately 11,000 to 12,000 years ago a massive star exploded in the southern constellation of Vela. The matter ejected by the supernova scattered the contents of the star into the surrounding interstellar medium creating shock fronts of multimillion degree gas and high energy particles. The heated matter produces brilliant visible light as well as radio and x - ray emission which will continue for thousands of years until the entire remnant of the dying star completely dissipates into space. This image captures some of that filamentary and gigantic shock in visible light. Hydrogen atoms being excited by atomic collisions glow red, while oxygen appears blue - green

Tom Davis

PIX4582882

Remains of Supernova N49 dans la Dorade/HST - Resembling the puffs of smoke and sparks from a summer fireworks display in this image from Nasa's Hubble Space Telescope, these delicate filaments are actually sheets of debris from a stellar explosion in a neighboring galaxy. Hubble's target was a supernova remnant within the Large Magellanic Cloud (LMC), a nearby, small companion galaxy to the Milky Way visible from the southern hemisphere. Denoted N 49, or DEM L 190, this remnant is from a massive star that died in a supernova blast whose light would have reached Earth thousands of years ago. This filamentary material will eventually be recycled into building new generations of stars in the LMC. Our own Sun and planets are constructed from similar debris of supernovae that exploded in the Milky Way billions of years ago. This seemingly gentle structure also harbors a very powerful spinning neutron star that may be the central remnant from the initial blast. It is quite common for the co

Remains of Supernova N49 dans la Dorade/HST - Resembling the puffs of smoke and sparks from a summer fireworks display in this image from Nasa's Hubble Space Telescope, these delicate filaments are actually sheets of debris from a stellar explosion in a neighboring galaxy. Hubble's target was a supernova remnant within the Large Magellanic Cloud (LMC), a nearby, small companion galaxy to the Milky Way visible from the southern hemisphere. Denoted N 49, or DEM L 190, this remnant is from a massive star that died in a supernova blast whose light would have reached Earth thousands of years ago. This filamentary material will eventually be recycled into building new generations of stars in the LMC. Our own Sun and planets are constructed from similar debris of supernovae that exploded in the Milky Way billions of years ago. This seemingly gentle structure also harbors a very powerful spinning neutron star that may be the central remnant from the initial blast. It is quite common for the co

PIX4582891

Remnants of the Supernova of Sails - The Vela Supernova Remnant - Remnant of the Supernova of Sails. The supernova exploded 12,000 years ago and is approximately 815 light years away from Earth. Image obtained with the 1.2m Schmidt UK Telescope from Siding Spring. About 120 centuries ago an inconspicuous star in what is now the constellation of Vela brightened by about 100 million times to rival the Moon as the brightest object in the night sky. This photograph shows a portion of the north - western quadrant of an expanding nebulous shell, which now surrounds the site of the explosion. Near the centre of the nebula (and not seen here) is the Vela pulsar, a rapidly - spinning neutron star only a few kilometres in diameter, the remnant of the star that exploded. This tiny object spins about 11 times a second and until recently was among the faintest stars ever studied at optical wavelengths, a far cry from its brief glory as one of the brightest stars ever seen

Remnants of the Supernova of Sails - The Vela Supernova Remnant - Remnant of the Supernova of Sails. The supernova exploded 12,000 years ago and is approximately 815 light years away from Earth. Image obtained with the 1.2m Schmidt UK Telescope from Siding Spring. About 120 centuries ago an inconspicuous star in what is now the constellation of Vela brightened by about 100 million times to rival the Moon as the brightest object in the night sky. This photograph shows a portion of the north - western quadrant of an expanding nebulous shell, which now surrounds the site of the explosion. Near the centre of the nebula (and not seen here) is the Vela pulsar, a rapidly - spinning neutron star only a few kilometres in diameter, the remnant of the star that exploded. This tiny object spins about 11 times a second and until recently was among the faintest stars ever studied at optical wavelengths, a far cry from its brief glory as one of the brightest stars ever seen

PIX4582803

Detail of the Swan Lace: NGC 6992 - Part of the Veil nebula - NGC 6992, detail of the Swan lace, a remnant of supernova located in the constellation Swan. NGC 6992 is a part of the Veil Nebula, the remnant of a supernova explosion that occurred about 10,000 years ago. It is located 1,500 light years away in the constellation Cygnus

Detail of the Swan Lace: NGC 6992 - Part of the Veil nebula - NGC 6992, detail of the Swan lace, a remnant of supernova located in the constellation Swan. NGC 6992 is a part of the Veil Nebula, the remnant of a supernova explosion that occurred about 10,000 years ago. It is located 1,500 light years away in the constellation Cygnus

Adam Block

PIX4582759

Les Dentelles du Cygne - Detail - NGC 6960 - The Veil Nebula, NGC 6960 - Part of the rest of the supernova of the Dentelles du Swan lies about 1500 years - light from Earth. Ten thousand years ago a star exploded. The supernova remnant is called the Veil Nebula. Here is the west end of the Veil Nebula known as NGC 6960 or the Witch's Broom Nebula. The rampaging gas gains its colors by impacting and exciting existing nearby gas. The supernova remnant lies about 1,400 light - years away towards the constellation of Cygnus. The bright star 52 Cygnus is visible with the unaided eye from a dark location but unrelated to the ancient supernova. The filaments in the right upper portion of the image is commonly called Pickering's Triangle. It was discovered in 1904 by Williamina Fleming of the Harvard Observatory while examining photographic plates of the region. The object was named in honor of her boss, astronomer Edward Charles Pickering

Les Dentelles du Cygne - Detail - NGC 6960 - The Veil Nebula, NGC 6960 - Part of the rest of the supernova of the Dentelles du Swan lies about 1500 years - light from Earth. Ten thousand years ago a star exploded. The supernova remnant is called the Veil Nebula. Here is the west end of the Veil Nebula known as NGC 6960 or the Witch's Broom Nebula. The rampaging gas gains its colors by impacting and exciting existing nearby gas. The supernova remnant lies about 1,400 light - years away towards the constellation of Cygnus. The bright star 52 Cygnus is visible with the unaided eye from a dark location but unrelated to the ancient supernova. The filaments in the right upper portion of the image is commonly called Pickering's Triangle. It was discovered in 1904 by Williamina Fleming of the Harvard Observatory while examining photographic plates of the region. The object was named in honor of her boss, astronomer Edward Charles Pickering

Tom Davis

PIX4582769

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