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Images de 'Vert Green' médias trouvés, 1,739

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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

Coffin of Horankh, c.700 B.C. (wood, gesso, paint, obsidian, calcite, and bronze)

Coffin of Horankh, c.700 B.C. (wood, gesso, paint, obsidian, calcite, and bronze)

Egyptian, Late Period (715-332 BC)

XDM1070845

Centaurus A elliptical galaxy (NGC 5128) in Centaurus - Galaxy Centaurus A (NGC 5128) - The galaxy NGC 5128 is located about 13 million light 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. Centaurus A is a most unusual galaxy. The circular, uniformly bright portion is composed of several thousand million stars, most of them old and yellowish. The galaxy is girded by a dense dust lane which obscures and reddens the light of stars behind it. Some

Centaurus A elliptical galaxy (NGC 5128) in Centaurus - Galaxy Centaurus A (NGC 5128) - The galaxy NGC 5128 is located about 13 million light 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. Centaurus A is a most unusual galaxy. The circular, uniformly bright portion is composed of several thousand million stars, most of them old and yellowish. The galaxy is girded by a dense dust lane which obscures and reddens the light of stars behind it. Some

PIX4612278

Nebula NGC 6188 in the Altar - NGC 6188 nebula in Ara - Nebula NGC 6188 is located about 4000 years from Earth. It is home to a cluster of young stars NGC 6193, formed three million years ago. Lower left, nebula NGC 6164. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). NGC 6188 is a red emission nebula located in southern constellation of Ara, about 4000 light years away. Inside of it, a young 3 million year star cluster. NGC 6193. The hottest stars of the cluster, two closely spaced O - type giants HD 150135 and HD 150136, (the bright stars in the image) are the illumination source of the emission nebula. Bottom left is the nebula NGC 6164. This image is in the classic “” Hubble palette”” where SII is assigned to red, H - alpha to green, and OIII to blue. RGB frames were taken for star colors

Nebula NGC 6188 in the Altar - NGC 6188 nebula in Ara - Nebula NGC 6188 is located about 4000 years from Earth. It is home to a cluster of young stars NGC 6193, formed three million years ago. Lower left, nebula NGC 6164. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). NGC 6188 is a red emission nebula located in southern constellation of Ara, about 4000 light years away. Inside of it, a young 3 million year star cluster. NGC 6193. The hottest stars of the cluster, two closely spaced O - type giants HD 150135 and HD 150136, (the bright stars in the image) are the illumination source of the emission nebula. Bottom left is the nebula NGC 6164. This image is in the classic “” Hubble palette”” where SII is assigned to red, H - alpha to green, and OIII to blue. RGB frames were taken for star colors

Tom Davis

PIX4619330

Congo River Basin seen by satellite - Congo River Basin's rainforests - The Congo River Basin photographed by Envisat satellite on January 14, 2009. Its forests extend through the Democratic Republic of Congo (east of the Congo River), the Republic of Congo (west of the river), Gabon (dark green on the left side), Equatorial Guinea (above Gabon), Cameroon and the Central African Republic. This Envisat image, acquired on 14 January 2009, features the Congo River Basin's rainforests, the second largest in the world after the Amazon, and the Congo River, Africa's second longest river after the Nile. The basin covers an area of more than 4 million km. Its expansive forests spread across the Democratic Republic of Congo (visible to the east of the Congo River), most of the Republic of the Congo (visible to the west of the Congo River), Gabon (visible in dark green along the left side), Equatorial Guinea (above Gabon), and southern parts of Cameroon and the Central African Republic

Congo River Basin seen by satellite - Congo River Basin's rainforests - The Congo River Basin photographed by Envisat satellite on January 14, 2009. Its forests extend through the Democratic Republic of Congo (east of the Congo River), the Republic of Congo (west of the river), Gabon (dark green on the left side), Equatorial Guinea (above Gabon), Cameroon and the Central African Republic. This Envisat image, acquired on 14 January 2009, features the Congo River Basin's rainforests, the second largest in the world after the Amazon, and the Congo River, Africa's second longest river after the Nile. The basin covers an area of more than 4 million km. Its expansive forests spread across the Democratic Republic of Congo (visible to the east of the Congo River), most of the Republic of the Congo (visible to the west of the Congo River), Gabon (visible in dark green along the left side), Equatorial Guinea (above Gabon), and southern parts of Cameroon and the Central African Republic

PIX4659470

Stars on the SIRENE Observatory - Star trails above the amateur observatory SIRENE - France - Several decades of military presence have limited urban settlements and thus light pollution on the Albion plateau. This photographic pose of over an hour, showing the rotation of the stars of the constellations of Cassiopee and Persee above the domes of the SIRENE observatory, testifying to the absence of genant halos of light. As far as the horizon is concerned, one can even guess a few peaks of the Alps, which glow slightly under the light of a gibbous Moon. During the installation, the nightlife of an active observation site was recorded: the domes rotated, the telescopes moved, red lamps were lit to read maps or set instruments, and an animator used a green laser to design a few stars for the public. One hour exposure star trails above the SIRENE amateur observatory in Luberon (Vaucluse - France). Located on the Albion plateau, an ancient military base, this place is well preserved from l

Stars on the SIRENE Observatory - Star trails above the amateur observatory SIRENE - France - Several decades of military presence have limited urban settlements and thus light pollution on the Albion plateau. This photographic pose of over an hour, showing the rotation of the stars of the constellations of Cassiopee and Persee above the domes of the SIRENE observatory, testifying to the absence of genant halos of light. As far as the horizon is concerned, one can even guess a few peaks of the Alps, which glow slightly under the light of a gibbous Moon. During the installation, the nightlife of an active observation site was recorded: the domes rotated, the telescopes moved, red lamps were lit to read maps or set instruments, and an animator used a green laser to design a few stars for the public. One hour exposure star trails above the SIRENE amateur observatory in Luberon (Vaucluse - France). Located on the Albion plateau, an ancient military base, this place is well preserved from l

G. Cannat

PIX4566785

Infrared view of the Andromeda galaxy - Composite of three different wavelengths 24 microns (blue), 70 microns (green), and 160 microns (red). Using these three bands, we can know the temperature differences of the dust: the warmest are the brightest at 24 microns and the coldest shine at 160 microns. The blue/white areas contain the hottest dust. View obtained by Spitzer space telescope on 25 August 2004. The multi - wavelength view of Andromeda combines images taken at 24 microns (blue), 70 microns (green), and 160 microns (red). Using all three bands from the multiband imaging photometer allows astronomers to measure the temperature of the dust by its color. The warmest dust is brightest at 24 microns while the coolest is most evident at 160 microns. The blue/white areas have the hottest dust, as seen in the bulge and in the star - forming areas along the arms. The cooler dust floating further out in the ring and arms are in the redder regions. The data were taken on August 25, 2004

Infrared view of the Andromeda galaxy - Composite of three different wavelengths 24 microns (blue), 70 microns (green), and 160 microns (red). Using these three bands, we can know the temperature differences of the dust: the warmest are the brightest at 24 microns and the coldest shine at 160 microns. The blue/white areas contain the hottest dust. View obtained by Spitzer space telescope on 25 August 2004. The multi - wavelength view of Andromeda combines images taken at 24 microns (blue), 70 microns (green), and 160 microns (red). Using all three bands from the multiband imaging photometer allows astronomers to measure the temperature of the dust by its color. The warmest dust is brightest at 24 microns while the coolest is most evident at 160 microns. The blue/white areas have the hottest dust, as seen in the bulge and in the star - forming areas along the arms. The cooler dust floating further out in the ring and arms are in the redder regions. The data were taken on August 25, 2004

PIX4608941

Sir Richard Mason, MP (1619-1685)

Sir Richard Mason, MP (1619-1685)

Huysmans, Jacob (c.1633-96) (attr. to)

USB1160783

La terre vue de nuit - 1992 a 2008 - Lights on Earth's surface - 1992 to 2008 - Earth observed at night by satellite. Composite image obtained by DMSP satellites from 1992 to 2008. The color code corresponds to 1992 (blue), 2000 (green) and 2008 (red). In white, the areas lit during these three years. Composite map of the world assembled from data acquired by satellites. This is a color composite of three years - 1992, 2000, 2008 - of DMSP nighttime lights. Each year has been assigned to one of the primary colors: 1992 = blue, 2000 = green, 2008 = red. The contrast has been enhanced to show all the detected lights, including the dim lighting often detected in populated rural areas. Locations that had bright lighting in all three years are white. There are many rural areas in India and elsewhere that have a bronze color, indicating that they had no detected lighting in 1992 and dim lighting detected in both 2000 and 2008. Notice the areas of blue lighting in several parts of the Former

La terre vue de nuit - 1992 a 2008 - Lights on Earth's surface - 1992 to 2008 - Earth observed at night by satellite. Composite image obtained by DMSP satellites from 1992 to 2008. The color code corresponds to 1992 (blue), 2000 (green) and 2008 (red). In white, the areas lit during these three years. Composite map of the world assembled from data acquired by satellites. This is a color composite of three years - 1992, 2000, 2008 - of DMSP nighttime lights. Each year has been assigned to one of the primary colors: 1992 = blue, 2000 = green, 2008 = red. The contrast has been enhanced to show all the detected lights, including the dim lighting often detected in populated rural areas. Locations that had bright lighting in all three years are white. There are many rural areas in India and elsewhere that have a bronze color, indicating that they had no detected lighting in 1992 and dim lighting detected in both 2000 and 2008. Notice the areas of blue lighting in several parts of the Former

PIX4632574

Birth of stars in the nebula NGC 3372 - Star formation in the Carina Nebula - Detail of the Carene nebula (NGC 3372) obtained by the Hubble space telescope. The image shows a column of gas eroded by ultraviolet radiation emitted by young stars. Jets are also visible, showing the presence of emerging stars. NGC 3372 is located about 7500 light years away from Earth. The colors used in this image correspond to the emissions of different gases: sulfur in red, hydrogen in green and oxygen in blue. The NASA Hubble Space Telescope photograph captures the chaotic activity atop a three - light - year - tall pillar of gas and dust that is being eaten away by the brilliant light from nearby bright stars. The pillar is also being assaulted from within, as infant stars buried inside it fire off jets of gas that can be seen streaming from towering peaks. This turbulent cosmic pinnacle lies within a tempestuous stellar nursery called the Carina Nebula, located 7,500 light - years away in the souther

Birth of stars in the nebula NGC 3372 - Star formation in the Carina Nebula - Detail of the Carene nebula (NGC 3372) obtained by the Hubble space telescope. The image shows a column of gas eroded by ultraviolet radiation emitted by young stars. Jets are also visible, showing the presence of emerging stars. NGC 3372 is located about 7500 light years away from Earth. The colors used in this image correspond to the emissions of different gases: sulfur in red, hydrogen in green and oxygen in blue. The NASA Hubble Space Telescope photograph captures the chaotic activity atop a three - light - year - tall pillar of gas and dust that is being eaten away by the brilliant light from nearby bright stars. The pillar is also being assaulted from within, as infant stars buried inside it fire off jets of gas that can be seen streaming from towering peaks. This turbulent cosmic pinnacle lies within a tempestuous stellar nursery called the Carina Nebula, located 7,500 light - years away in the souther

PIX4619114

The Omega nebula (M17) seen in infrared - M17 nebula in infrared - The Omega nebula (M17) seen in infrared by the Spitzer space telescope. M17 is a star-forming region about 6000 light years ago in the constellation Sagittarius. In the center of the nebula is a group of massive stars. The dust appears in red, the hot gas in green, the regions or this gas and the dust mixes in white. Nasa's Spitzer Space Telescope has captured an infrared view of the star - making cloud called M17, or the Swan nebula. The cloud, located about 6,000 light - years away in the constellation Sagittarius, is dominated by a central group of massive stars - - the most massive stars in the region. These central stars give off intense flows of expanding gas, which rush like rivers against dense piles of material, carving out the deep pocket at center of the picture. Winds from the region's other massive stars push back against these oncoming rivers, creating bow shocks like those that pile up in front of speedin

The Omega nebula (M17) seen in infrared - M17 nebula in infrared - The Omega nebula (M17) seen in infrared by the Spitzer space telescope. M17 is a star-forming region about 6000 light years ago in the constellation Sagittarius. In the center of the nebula is a group of massive stars. The dust appears in red, the hot gas in green, the regions or this gas and the dust mixes in white. Nasa's Spitzer Space Telescope has captured an infrared view of the star - making cloud called M17, or the Swan nebula. The cloud, located about 6,000 light - years away in the constellation Sagittarius, is dominated by a central group of massive stars - - the most massive stars in the region. These central stars give off intense flows of expanding gas, which rush like rivers against dense piles of material, carving out the deep pocket at center of the picture. Winds from the region's other massive stars push back against these oncoming rivers, creating bow shocks like those that pile up in front of speedin

PIX4620190

Spiral galaxy M33 infrared view - Spiral galaxy M33 seen in infrared - M33, (NGC 598), the galaxy of the Triangle, is located about 2.9 million years ago - light from Earth. It belongs to the local group, just like our galaxy or Andromede galaxy. This infrared image from the Spitzer space telescope shows stars in blue, gas in green, star formations in red - orange. Red dots are distant galaxies. In infrared, the galaxy appears larger than visible light, revealing cold gas and dust that spread around the galaxy. Also known as M33 or NGC 598, the Triangulum Galaxy is part of the Local Group of galaxies, which includes the Andromeda Galaxy (M31) and our galaxy, the Milky Way. M33 is over thirty thousand light - years across, and more than two million light - years away. Viewed here with Spitzer's infrared eyes, this elegant spiral galaxy sparkles with color and detail. Stars appear as glistening blue gems (several of which are actually foreground stars in our own galaxy), while dust rich

Spiral galaxy M33 infrared view - Spiral galaxy M33 seen in infrared - M33, (NGC 598), the galaxy of the Triangle, is located about 2.9 million years ago - light from Earth. It belongs to the local group, just like our galaxy or Andromede galaxy. This infrared image from the Spitzer space telescope shows stars in blue, gas in green, star formations in red - orange. Red dots are distant galaxies. In infrared, the galaxy appears larger than visible light, revealing cold gas and dust that spread around the galaxy. Also known as M33 or NGC 598, the Triangulum Galaxy is part of the Local Group of galaxies, which includes the Andromeda Galaxy (M31) and our galaxy, the Milky Way. M33 is over thirty thousand light - years across, and more than two million light - years away. Viewed here with Spitzer's infrared eyes, this elegant spiral galaxy sparkles with color and detail. Stars appear as glistening blue gems (several of which are actually foreground stars in our own galaxy), while dust rich

PIX4609334

Nebula NGC 3372 in the Carene in false colours - NGC 3372 Carina nebula - Image of the nebula of the Carene (NGC 3372), a very vast region of star formation, obtained by combining light through 3 different filters that highlight oxygen in blue, hydrogen in green, and sulfur in red. The colors also represent different gas temperatures, warm, blue, colder in red. The bright star in the center of the image is Eta Carinae, a super massive star. Image obtained with the Curtis - Schmidt telescope of the Cerro Tololo Observatory. This image shows a giant star - forming region in the southern sky known as the Carina Nebula (NGC 3372), combining the light from 3 different filters tracing emission from oxygen (blue), hydrogen (green), and sulphur (red). The color is also representative of the temperature in the ionized gas: blue is relatively hot and red is cooler. The Carina Nebula is a good example of how very massive stars rip apart the molecular clouds that give birth to them. The bright sta

Nebula NGC 3372 in the Carene in false colours - NGC 3372 Carina nebula - Image of the nebula of the Carene (NGC 3372), a very vast region of star formation, obtained by combining light through 3 different filters that highlight oxygen in blue, hydrogen in green, and sulfur in red. The colors also represent different gas temperatures, warm, blue, colder in red. The bright star in the center of the image is Eta Carinae, a super massive star. Image obtained with the Curtis - Schmidt telescope of the Cerro Tololo Observatory. This image shows a giant star - forming region in the southern sky known as the Carina Nebula (NGC 3372), combining the light from 3 different filters tracing emission from oxygen (blue), hydrogen (green), and sulphur (red). The color is also representative of the temperature in the ionized gas: blue is relatively hot and red is cooler. The Carina Nebula is a good example of how very massive stars rip apart the molecular clouds that give birth to them. The bright sta

PIX4618865

Nebula IC 4628 in Scorpio - Nebula IC 4628 in Scorpius - Nebula has a low light emission, IC 4628 (or Gum 56) is alongside the open cluster Collinder 316, which houses many young hot stars. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). This beautiful, arc - like rim of nebulosity is in the far southern sky, out of sight from most of the USA and Europe. It is quite faint and has often been overlooked because of it, even by southern observers. However, it is in a rich region in Scorpius. This richness is reflected in the number of names associated with the objects in the field illustrated here. There is a large scattered star cluster, Collinder 316 which extends over most of the picture. It encloses Trumpler 24, more or less the same cluster under another name, and all of this is part of the Sco OB1 association, a much larger gathering of very hot, intrinsically luminous stars in this part of the sky. The nebula itself is als

Nebula IC 4628 in Scorpio - Nebula IC 4628 in Scorpius - Nebula has a low light emission, IC 4628 (or Gum 56) is alongside the open cluster Collinder 316, which houses many young hot stars. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). This beautiful, arc - like rim of nebulosity is in the far southern sky, out of sight from most of the USA and Europe. It is quite faint and has often been overlooked because of it, even by southern observers. However, it is in a rich region in Scorpius. This richness is reflected in the number of names associated with the objects in the field illustrated here. There is a large scattered star cluster, Collinder 316 which extends over most of the picture. It encloses Trumpler 24, more or less the same cluster under another name, and all of this is part of the Sco OB1 association, a much larger gathering of very hot, intrinsically luminous stars in this part of the sky. The nebula itself is als

Tom Davis

PIX4622673

Nebula NGC 3372 in the Carene - NGC 3372 Carina nebula - The Carene Nebula (NGC 3372) is a very large region of star formation visible in the southern hemisphere. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). The bright star in the center of the image is Eta Carinae, a super massive star. The Carina Nebula (also known as the Great Nebula in Carina, the Eta Carinae Nebula, or NGC 3372) is a large bright nebula that surrounds several open clusters of stars. Eta Carinae and HD 93129A, two of the most massive and luminous stars in our Milky Way galaxy, are among them. The nebula lies at an estimated distance between 6,500 and 10,000 light years from Earth. It is located in the constellation of Carina. The nebula contains multiple O - type stars. This nebula is one of the largest H II regions in the Milky Way. It has a visual magnitude of 1.0. The nebula is one of the largest diffuse nebulae in our skies. Although it is some fou

Nebula NGC 3372 in the Carene - NGC 3372 Carina nebula - The Carene Nebula (NGC 3372) is a very large region of star formation visible in the southern hemisphere. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). The bright star in the center of the image is Eta Carinae, a super massive star. The Carina Nebula (also known as the Great Nebula in Carina, the Eta Carinae Nebula, or NGC 3372) is a large bright nebula that surrounds several open clusters of stars. Eta Carinae and HD 93129A, two of the most massive and luminous stars in our Milky Way galaxy, are among them. The nebula lies at an estimated distance between 6,500 and 10,000 light years from Earth. It is located in the constellation of Carina. The nebula contains multiple O - type stars. This nebula is one of the largest H II regions in the Milky Way. It has a visual magnitude of 1.0. The nebula is one of the largest diffuse nebulae in our skies. Although it is some fou

Tom Davis

PIX4619112

Around the Nares Detroit - Canada - Greenland - Nares strait area - Canada - Greenland - This radar image from Envisat shows the northeast tip of Ellesmere Island (left) in the Canadian Arctic and the northwestern extremity of Greenland - the largest island on the planet (right). At the bottom of the image, the waters, which appear in green and purple, form the detroit of Nares, which flies north to form the Robeson Canal. It drains the Lincoln Sea (in the upper left corner) which is part of the Arctic Ocean. The white and blue area on the right side of the image is a portion of the Greenland ice cap, the second largest concentration of frozen fresh water on Earth after the Antarctic polar cap. The largest floating glacier in the northern hemisphere, the Petermann Glacier, is reddish in colour, and runs at the bottom of the image in the centre towards the detroit of Nares. The Petermann Glacier lost a 29 km2 block between July 10 and 25, 2008. Standard radar images are not in colour be

Around the Nares Detroit - Canada - Greenland - Nares strait area - Canada - Greenland - This radar image from Envisat shows the northeast tip of Ellesmere Island (left) in the Canadian Arctic and the northwestern extremity of Greenland - the largest island on the planet (right). At the bottom of the image, the waters, which appear in green and purple, form the detroit of Nares, which flies north to form the Robeson Canal. It drains the Lincoln Sea (in the upper left corner) which is part of the Arctic Ocean. The white and blue area on the right side of the image is a portion of the Greenland ice cap, the second largest concentration of frozen fresh water on Earth after the Antarctic polar cap. The largest floating glacier in the northern hemisphere, the Petermann Glacier, is reddish in colour, and runs at the bottom of the image in the centre towards the detroit of Nares. The Petermann Glacier lost a 29 km2 block between July 10 and 25, 2008. Standard radar images are not in colour be

PIX4666074

Glacier Malaspina, Alaska - The Malaspina Glacier in Alaska - Le Glacier Malaspina, Alaska, from perspective. This image is the result of joint observations made by the Landsat-7 satellite in August 2000 in visible and infrared, combined with elevation radar data obtained by the SRTM (Shuttle Radar Topography Mission) in February 2000. This glacier extends over 3000 km2. Natural colours have been applied to this image: light blue, ice, white, snow, green vegetation, grey rock and blue for the ocean. Malaspina Glacier in southeastern Alaska is considered the classic example of a piedmont glacier. Piedmont glaciers occur where valley glaciers exit a mountain range onto broad lowlands, are no longer laterally confined, and spread to become wide lobes. Malaspina Glacier is actually a compound glacier, formed by the merger of several valley glaciers, the most prominent of which seen here are Agassiz Glacier (left) and Seward Glacier (right). In total, Malaspina Glacier is up to 65 kilometer

Glacier Malaspina, Alaska - The Malaspina Glacier in Alaska - Le Glacier Malaspina, Alaska, from perspective. This image is the result of joint observations made by the Landsat-7 satellite in August 2000 in visible and infrared, combined with elevation radar data obtained by the SRTM (Shuttle Radar Topography Mission) in February 2000. This glacier extends over 3000 km2. Natural colours have been applied to this image: light blue, ice, white, snow, green vegetation, grey rock and blue for the ocean. Malaspina Glacier in southeastern Alaska is considered the classic example of a piedmont glacier. Piedmont glaciers occur where valley glaciers exit a mountain range onto broad lowlands, are no longer laterally confined, and spread to become wide lobes. Malaspina Glacier is actually a compound glacier, formed by the merger of several valley glaciers, the most prominent of which seen here are Agassiz Glacier (left) and Seward Glacier (right). In total, Malaspina Glacier is up to 65 kilometer

PIX4672430

Nebula IC 2948 in Centaurus - Nebula IC 2948 and IC 2944 in Centaurus - Nebula IC 2948 is a vast nebula located about 6000 years from Earth in the southern constellation of Centaurus. It is associated with the cluster of stars IC 2944 near which Bok's blood cells are visible. A Bok's blood cell is a dark interstellar cloud of gases and dust that absorb light. If it condenses enough, it gives birth to new stars. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). Between the Southern Cross and the rich Carina region, on the southern border of Centaurus, is a large, almost featureless emission nebula, IC 2948, with a sprinkling of bright stars, Collinder 249. It is against this uniform, backdrop that we see a brighter region (IC 2944) which hosts small group of dark clouds of the kind known as 'Bok globules'. They are named for the Dutch - American astronomer who first drew attention to them as the possible sites of star formation.

Nebula IC 2948 in Centaurus - Nebula IC 2948 and IC 2944 in Centaurus - Nebula IC 2948 is a vast nebula located about 6000 years from Earth in the southern constellation of Centaurus. It is associated with the cluster of stars IC 2944 near which Bok's blood cells are visible. A Bok's blood cell is a dark interstellar cloud of gases and dust that absorb light. If it condenses enough, it gives birth to new stars. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). Between the Southern Cross and the rich Carina region, on the southern border of Centaurus, is a large, almost featureless emission nebula, IC 2948, with a sprinkling of bright stars, Collinder 249. It is against this uniform, backdrop that we see a brighter region (IC 2944) which hosts small group of dark clouds of the kind known as 'Bok globules'. They are named for the Dutch - American astronomer who first drew attention to them as the possible sites of star formation.

Tom Davis

PIX4622599

Active Galaxy NGC 1068 in the Whale - Active galaxy NGC 1068 - This composite image shows that a strong stellar wind escapes from the heart of the galaxy NGC 1068 or resides a massive black hole. NGC 1068 is located about 50 million light years away from Earth. Images obtained in X-ray by the Chandra satellite (red), visible by the Hubble space telescope (green) and radio waves (blue). This is a composite image of NGC 1068, one of the nearest and brightest galaxies containing a rapidly growing supermassive black hole. X - ray data from the Chandra X - ray Observatory are shown in red, optical data from the Hubble Space Telescope in green and radio data from the Very Large Array in blue. The spiral structure of NGC 1068 is shown by the X - ray and optical data, and a jet powered by the central supermassive black hole is shown by the radio data. The X - ray images and spectra obtained using Chandra's High Energy Transmission Grating Spectrometer show that a strong wind is being driven aw

Active Galaxy NGC 1068 in the Whale - Active galaxy NGC 1068 - This composite image shows that a strong stellar wind escapes from the heart of the galaxy NGC 1068 or resides a massive black hole. NGC 1068 is located about 50 million light years away from Earth. Images obtained in X-ray by the Chandra satellite (red), visible by the Hubble space telescope (green) and radio waves (blue). This is a composite image of NGC 1068, one of the nearest and brightest galaxies containing a rapidly growing supermassive black hole. X - ray data from the Chandra X - ray Observatory are shown in red, optical data from the Hubble Space Telescope in green and radio data from the Very Large Array in blue. The spiral structure of NGC 1068 is shown by the X - ray and optical data, and a jet powered by the central supermassive black hole is shown by the radio data. The X - ray images and spectra obtained using Chandra's High Energy Transmission Grating Spectrometer show that a strong wind is being driven aw

PIX4609662

Nebula IC 2948 in Centaurus - Nebula IC 2948 and IC 2944 in Centaurus: IC2944 - SHO 70 70 70 Bin 2 - Nebula IC 2948 is a vast nebula located about 6000 light years from Earth in the southern constellation of Centaurus. It is associated with the cluster of stars IC 2944 near which Bok's blood cells are visible. A Bok's blood cell is a dark interstellar cloud of gases and dust that absorb light. If it condenses enough, it gives birth to new stars - Image obtained through 3 different filters that highlight oxygen (in blue), hydrogen (in green), and sulfur (in red) - Between the Southern Cross and the rich Carina region, on the southern border of Centaurus, is a large, almost featureless emission nebula, IC 2948, with a sprinkling of bright stars, Collinder 249. It is against this uniform, backdrop that we see a brighter region (IC 2944) which hosts small group of dark clouds of the kind known as 'Bok globules'. They are named for the Dutch-American astronomer who first drew attention to t

Nebula IC 2948 in Centaurus - Nebula IC 2948 and IC 2944 in Centaurus: IC2944 - SHO 70 70 70 Bin 2 - Nebula IC 2948 is a vast nebula located about 6000 light years from Earth in the southern constellation of Centaurus. It is associated with the cluster of stars IC 2944 near which Bok's blood cells are visible. A Bok's blood cell is a dark interstellar cloud of gases and dust that absorb light. If it condenses enough, it gives birth to new stars - Image obtained through 3 different filters that highlight oxygen (in blue), hydrogen (in green), and sulfur (in red) - Between the Southern Cross and the rich Carina region, on the southern border of Centaurus, is a large, almost featureless emission nebula, IC 2948, with a sprinkling of bright stars, Collinder 249. It is against this uniform, backdrop that we see a brighter region (IC 2944) which hosts small group of dark clouds of the kind known as 'Bok globules'. They are named for the Dutch-American astronomer who first drew attention to t

W. Promper

PIX4622580

Birth of stars in the nebula NGC 3372 - Star formation in the Carina Nebula - Detail of the Carene nebula (NGC 3372) obtained by the Hubble space telescope. The image shows a column of gas eroded by ultraviolet radiation emitted by young stars. Jets are also visible, showing the presence of emerging stars. NGC 3372 is located about 7500 light years away from Earth. The colors used in this image correspond to the emissions of different gases: sulfur in red, hydrogen in green and oxygen in blue. The NASA Hubble Space Telescope photograph captures the chaotic activity atop a three - light - year - tall pillar of gas and dust that is being eaten away by the brilliant light from nearby bright stars. The pillar is also being assaulted from within, as infant stars buried inside it fire off jets of gas that can be seen streaming from towering peaks. This turbulent cosmic pinnacle lies within a tempestuous stellar nursery called the Carina Nebula, located 7,500 light - years away in the souther

Birth of stars in the nebula NGC 3372 - Star formation in the Carina Nebula - Detail of the Carene nebula (NGC 3372) obtained by the Hubble space telescope. The image shows a column of gas eroded by ultraviolet radiation emitted by young stars. Jets are also visible, showing the presence of emerging stars. NGC 3372 is located about 7500 light years away from Earth. The colors used in this image correspond to the emissions of different gases: sulfur in red, hydrogen in green and oxygen in blue. The NASA Hubble Space Telescope photograph captures the chaotic activity atop a three - light - year - tall pillar of gas and dust that is being eaten away by the brilliant light from nearby bright stars. The pillar is also being assaulted from within, as infant stars buried inside it fire off jets of gas that can be seen streaming from towering peaks. This turbulent cosmic pinnacle lies within a tempestuous stellar nursery called the Carina Nebula, located 7,500 light - years away in the souther

PIX4619129

Motion of the Star Proxima of Centauri - The proper motion of Proxima Centauri - Proxima of Centauri (in the center of the image) is the closest star to the Sun, located at a distance of 4.2 years - light. This star is a red dwarf, 10,000 times less luminous than our Sun, and is invisible to the naked eye. Its proximity makes it move quickly ahead of the other stars. This composite image made from three images taken in 1976 (blue), 1982 (red) and 1993 (green) shows the shift of the star in 17 years. Image obtained from the 1.2m Schmidt UK telescope of Siding Spring. Proxima Centauri is the nearest known star to the sun, at a distance of about 4.2 light years. It is an intrinsically faint red star, more than ten magnitudes (ten thousand times) fainter than the Sun. It is also much cooler, with a surface temperature of about 3100 C. Its visual (apparent) magnitude is eleven, so it is only visible with a good telescope, and only then from southern latitudes. Proxima is about one - tenth t

Motion of the Star Proxima of Centauri - The proper motion of Proxima Centauri - Proxima of Centauri (in the center of the image) is the closest star to the Sun, located at a distance of 4.2 years - light. This star is a red dwarf, 10,000 times less luminous than our Sun, and is invisible to the naked eye. Its proximity makes it move quickly ahead of the other stars. This composite image made from three images taken in 1976 (blue), 1982 (red) and 1993 (green) shows the shift of the star in 17 years. Image obtained from the 1.2m Schmidt UK telescope of Siding Spring. Proxima Centauri is the nearest known star to the sun, at a distance of about 4.2 light years. It is an intrinsically faint red star, more than ten magnitudes (ten thousand times) fainter than the Sun. It is also much cooler, with a surface temperature of about 3100 C. Its visual (apparent) magnitude is eleven, so it is only visible with a good telescope, and only then from southern latitudes. Proxima is about one - tenth t

PIX4571842

Crab Nebula seen in different wavelength - The Crab Nebula in multi wavelength: M1, the Crab Nebula, is the rest of a supernova that exploded on July 4, 1054. It is located about 6500 light years from Earth in the constellation Taurus. At the heart of this nebula is a pulsar. To obtain this photo, different observatories and telescopes combined their observations; the VLA provided the radio image (in red), the Spitzer telescope the infrared image (in yellow), the Hubble telescope for the visible part (here in green), XMM-Newton the ultraviolet image (in blue) and the Chandra telescope for X-ray data (purple). The pulsar is the bright spot in the center of the image. The unusual image was produced by combining data from telescopes spanning almost the entire electromagnetic spectrum, from radio waves to X-rays. The Karl G. Jansky Very Large Array (VLA) provided information about the nebula gathered in the radio regime (colored in red). Nasa's Spitzer Space Telescope took images in the in

Crab Nebula seen in different wavelength - The Crab Nebula in multi wavelength: M1, the Crab Nebula, is the rest of a supernova that exploded on July 4, 1054. It is located about 6500 light years from Earth in the constellation Taurus. At the heart of this nebula is a pulsar. To obtain this photo, different observatories and telescopes combined their observations; the VLA provided the radio image (in red), the Spitzer telescope the infrared image (in yellow), the Hubble telescope for the visible part (here in green), XMM-Newton the ultraviolet image (in blue) and the Chandra telescope for X-ray data (purple). The pulsar is the bright spot in the center of the image. The unusual image was produced by combining data from telescopes spanning almost the entire electromagnetic spectrum, from radio waves to X-rays. The Karl G. Jansky Very Large Array (VLA) provided information about the nebula gathered in the radio regime (colored in red). Nasa's Spitzer Space Telescope took images in the in

PIX4626499

Andromede Galaxy (M31) infrared view - The Andromeda galaxy seen in infrared - This image shows the difference in infrared radiation between the light emitted by the aged stars (blue) and that emitted by the dust (star-forming zone, yellow and red). This image obtained by the WISE satellite also distinguishes the two Andromede satellite galaxies, M32 (above the nucleus of the Andromede galaxy) and NGC 205 (M110) below. Infrared composite at the following wavelengths: 3.4 and 4.6 microns (blue), 12 microns (green), and 22 microns dust sensitive, red. M31, is captured in full in this new image from Nasa's Wide - field Infrared Survey Explorer, or WISE. The mosaic covers an area equivalent to more than 100 full moons, or five degrees across the sky. WISE used all four of its infrared detectors to capture this picture (3.4 - and 4.6 - micron light is colored blue; 12 - micron light is green; and 22 - micron light is red). Blue highlights mature stars, while yellow and red show dust heated

Andromede Galaxy (M31) infrared view - The Andromeda galaxy seen in infrared - This image shows the difference in infrared radiation between the light emitted by the aged stars (blue) and that emitted by the dust (star-forming zone, yellow and red). This image obtained by the WISE satellite also distinguishes the two Andromede satellite galaxies, M32 (above the nucleus of the Andromede galaxy) and NGC 205 (M110) below. Infrared composite at the following wavelengths: 3.4 and 4.6 microns (blue), 12 microns (green), and 22 microns dust sensitive, red. M31, is captured in full in this new image from Nasa's Wide - field Infrared Survey Explorer, or WISE. The mosaic covers an area equivalent to more than 100 full moons, or five degrees across the sky. WISE used all four of its infrared detectors to capture this picture (3.4 - and 4.6 - micron light is colored blue; 12 - micron light is green; and 22 - micron light is red). Blue highlights mature stars, while yellow and red show dust heated

PIX4608987

Galaxy M82 view in different wavelength - Galaxy M82 in multi - wavelength - Composite of different images: in blue the image obtained by Chandra in X-rays, in red the infrared image obtained by Spitzer, in yellow, orange, green, the image of Hubble. M82 is an irregular galaxy distant about 12 million years - light from Earth. Its nucleus, which appears to have suffered from the passage of the neighbouring galaxy M81, is in a phase of violent star activity. Its central regions are rich in star formation. These hot stars blow a stellar wind that becomes a very violent galactic wind. Composite of multi - wavelength images of the active galaxy M82 from the three Great Observatories. X - ray data recorded by Chandra appears here in blue; infrared light recorded by Spitzer appears in red; Hubble's observations of hydrogen emission appears in orange, and the bluest visible light appears in yellow - green. Another Hubble observation designed to image 10,000 degree Celsius hydrogen gas (orange

Galaxy M82 view in different wavelength - Galaxy M82 in multi - wavelength - Composite of different images: in blue the image obtained by Chandra in X-rays, in red the infrared image obtained by Spitzer, in yellow, orange, green, the image of Hubble. M82 is an irregular galaxy distant about 12 million years - light from Earth. Its nucleus, which appears to have suffered from the passage of the neighbouring galaxy M81, is in a phase of violent star activity. Its central regions are rich in star formation. These hot stars blow a stellar wind that becomes a very violent galactic wind. Composite of multi - wavelength images of the active galaxy M82 from the three Great Observatories. X - ray data recorded by Chandra appears here in blue; infrared light recorded by Spitzer appears in red; Hubble's observations of hydrogen emission appears in orange, and the bluest visible light appears in yellow - green. Another Hubble observation designed to image 10,000 degree Celsius hydrogen gas (orange

PIX4610442

Star Formation in Cassiopee - Star Formation in Cassiopeia - This star-forming region, called W5, is located approximately 6500 light years ago in the constellation Cassiopee. Several generations of stars appear on this cliche; the older ones are the blue stars in the centre of the two cavities; the younger stars are grouped at the edges of these cavities and at the ends of the gas pillars or they appear like pink dots; the white areas are home to the very young stars in formation. In this infrared image, heated dust appears in red, dense gas clouds appear in green. Composite image obtained by the Spitzer space telescope in 2006 and 2007. Generations of stars can be seen in this infrared portrait from Nasa's Spitzer Space Telescope. In this wispy star - forming region, called W5, the oldest stars can be seen as blue dots in the centers of the two hollow cavities (other blue dots are background and foreground stars not associated with the region). Younger stars line the rims of the cavi

Star Formation in Cassiopee - Star Formation in Cassiopeia - This star-forming region, called W5, is located approximately 6500 light years ago in the constellation Cassiopee. Several generations of stars appear on this cliche; the older ones are the blue stars in the centre of the two cavities; the younger stars are grouped at the edges of these cavities and at the ends of the gas pillars or they appear like pink dots; the white areas are home to the very young stars in formation. In this infrared image, heated dust appears in red, dense gas clouds appear in green. Composite image obtained by the Spitzer space telescope in 2006 and 2007. Generations of stars can be seen in this infrared portrait from Nasa's Spitzer Space Telescope. In this wispy star - forming region, called W5, the oldest stars can be seen as blue dots in the centers of the two hollow cavities (other blue dots are background and foreground stars not associated with the region). Younger stars line the rims of the cavi

PIX4621160

Nebula NGC 281 in Cassiopee - Nebula NGC 281 in Cassiopeia - NGC 281 is a star-forming region about 10,000 light years away from Earth in the constellation Cassiopee. At the center of this nebula is the cluster of stars IC 1590 whose stars are only a few million years old. A composite of X-ray images obtained by the Chandra Space Telescope in purple and infrared by Spitzer in red green and blue. High - mass stars are important because they are responsible for much of the energy pumped into our galaxy over its lifetime. Unfortunately, these stars are poorly understood because they are often found relatively far away and can be obscured by gas and dust. The star cluster NGC 281 is an exception to this rule. It is located about 6,500 light years from Earth and, remarkably, almost 1,000 light years above the plane of the galaxy, giving astronomers a nearly unfettered view of the star formation within IT.This composite image of NGC 281 contains X - ray data from Chandra, in purple, with inf

Nebula NGC 281 in Cassiopee - Nebula NGC 281 in Cassiopeia - NGC 281 is a star-forming region about 10,000 light years away from Earth in the constellation Cassiopee. At the center of this nebula is the cluster of stars IC 1590 whose stars are only a few million years old. A composite of X-ray images obtained by the Chandra Space Telescope in purple and infrared by Spitzer in red green and blue. High - mass stars are important because they are responsible for much of the energy pumped into our galaxy over its lifetime. Unfortunately, these stars are poorly understood because they are often found relatively far away and can be obscured by gas and dust. The star cluster NGC 281 is an exception to this rule. It is located about 6,500 light years from Earth and, remarkably, almost 1,000 light years above the plane of the galaxy, giving astronomers a nearly unfettered view of the star formation within IT.This composite image of NGC 281 contains X - ray data from Chandra, in purple, with inf

PIX4617483

Star Formation in Cassiopee - Star Formation in Cassiopeia - This star-forming region, called W5, is located approximately 6500 light years ago in the constellation Cassiopee. Several generations of stars appear on this cliche; the older ones are the blue stars in the centre of the two cavities; the younger stars are grouped at the edges of these cavities and at the ends of the gas pillars or they appear like pink dots; the white areas are home to the very young stars in formation. In this infrared image, heated dust appears in red, dense gas clouds appear in green. Composite image obtained by the Spitzer space telescope in 2006 and 2007. Generations of stars can be seen in this infrared portrait from Nasa's Spitzer Space Telescope. In this wispy star - forming region, called W5, the oldest stars can be seen as blue dots in the centers of the two hollow cavities (other blue dots are background and foreground stars not associated with the region). Younger stars line the rims of the cavi

Star Formation in Cassiopee - Star Formation in Cassiopeia - This star-forming region, called W5, is located approximately 6500 light years ago in the constellation Cassiopee. Several generations of stars appear on this cliche; the older ones are the blue stars in the centre of the two cavities; the younger stars are grouped at the edges of these cavities and at the ends of the gas pillars or they appear like pink dots; the white areas are home to the very young stars in formation. In this infrared image, heated dust appears in red, dense gas clouds appear in green. Composite image obtained by the Spitzer space telescope in 2006 and 2007. Generations of stars can be seen in this infrared portrait from Nasa's Spitzer Space Telescope. In this wispy star - forming region, called W5, the oldest stars can be seen as blue dots in the centers of the two hollow cavities (other blue dots are background and foreground stars not associated with the region). Younger stars line the rims of the cavi

PIX4621152

Nebula NGC 604 in the galaxy M33 - NGC 604 star forming nebula - NGC 604, is a very large star-forming region located in the galaxy M33 of the Triangle. This image is a composite of X-ray images (blue) obtained by the Chandra Space Telescope and visible (green and red) by the Hubble Space Telescope. The study of very hot gas observed in X-ray allows us to better understand the star formation activity within this nebula. NGC 604, is one of the largest known seething cauldrons of star birth in a nearby galaxy. NGC 604 is similar to familiar star - birth regions in our Milky Way galaxy, such as the Orion Nebula, but it is vastly larger in extent and contains many more recently formed stars. This monstrous star - birth region contains more than 200 brilliant blue stars within a cloud of glowing gases some 1,300 light - years across, nearly 100 times the size of the Orion Nebula. The bright stars in NGC 604 are extremely young having formed a mere 3 million years ago. The most massive stars

Nebula NGC 604 in the galaxy M33 - NGC 604 star forming nebula - NGC 604, is a very large star-forming region located in the galaxy M33 of the Triangle. This image is a composite of X-ray images (blue) obtained by the Chandra Space Telescope and visible (green and red) by the Hubble Space Telescope. The study of very hot gas observed in X-ray allows us to better understand the star formation activity within this nebula. NGC 604, is one of the largest known seething cauldrons of star birth in a nearby galaxy. NGC 604 is similar to familiar star - birth regions in our Milky Way galaxy, such as the Orion Nebula, but it is vastly larger in extent and contains many more recently formed stars. This monstrous star - birth region contains more than 200 brilliant blue stars within a cloud of glowing gases some 1,300 light - years across, nearly 100 times the size of the Orion Nebula. The bright stars in NGC 604 are extremely young having formed a mere 3 million years ago. The most massive stars

PIX4617509

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