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Images of 'Galaxy Peculiar' found, 56

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Black hole collision in NGC 6240 - Black holes colliding in NGC 6240 - The galaxy NGC 6240, is located about 400 million light years away from Earth in the constellation Ophiuchus. This system consists of two colliding galaxies each with a central black hole; in several millions of years, they will form only one galaxy. A composite X-ray image (red, orange and yellow) and visible from the space telescopes Chandra and Hubble. This image of NGC 6240 contains X - ray data from Chandra (shown in red, orange, and yellow) that has been combined with an optical image from the Hubble Space Telescope. In 2002, the discovery of two merging black holes was announced based on Chandra data in this galaxy. The two black holes are a mere 3,000 light years apart and are seen as the bright point - like sources in the middle of the image. Scientists think these black holes are in such close proximity because they are in the midst of spiraling toward each other - a process that began about 30 million yea

Black hole collision in NGC 6240 - Black holes colliding in NGC 6240 - The galaxy NGC 6240, is located about 400 million light years away from Earth in the constellation Ophiuchus. This system consists of two colliding galaxies each with a central black hole; in several millions of years, they will form only one galaxy. A composite X-ray image (red, orange and yellow) and visible from the space telescopes Chandra and Hubble. This image of NGC 6240 contains X - ray data from Chandra (shown in red, orange, and yellow) that has been combined with an optical image from the Hubble Space Telescope. In 2002, the discovery of two merging black holes was announced based on Chandra data in this galaxy. The two black holes are a mere 3,000 light years apart and are seen as the bright point - like sources in the middle of the image. Scientists think these black holes are in such close proximity because they are in the midst of spiraling toward each other - a process that began about 30 million yea

PIX4612910

Elliptical Galaxy M110 (NGC 205) in Andromede - Elliptical galaxy M110 (NGC 205) in Andromeda - The elliptical galaxy M110, Andromede's satellite galaxy, is about the same distance from us as M31, about 2.9 million years - light. It is of type E6 “special” because it presents some unusual dark structures (probably dust clouds). M110 is the second small companion (along with M32) to our sister galaxy, M31, the Andromeda Nebula. It is classified as type E5 or E6, often with the additional “” p”” for peculiar because of the structure clearly visible in this short exposure image, which is probably due to dust clouds. Because of its small size, it is usually counted as a dwarf spheroidal rather than a normal elliptical

Elliptical Galaxy M110 (NGC 205) in Andromede - Elliptical galaxy M110 (NGC 205) in Andromeda - The elliptical galaxy M110, Andromede's satellite galaxy, is about the same distance from us as M31, about 2.9 million years - light. It is of type E6 “special” because it presents some unusual dark structures (probably dust clouds). M110 is the second small companion (along with M32) to our sister galaxy, M31, the Andromeda Nebula. It is classified as type E5 or E6, often with the additional “” p”” for peculiar because of the structure clearly visible in this short exposure image, which is probably due to dust clouds. Because of its small size, it is usually counted as a dwarf spheroidal rather than a normal elliptical

Jim Misti

PIX4608661

Galaxies NGC 3718 and NGC 3729 in the Great Bear

Galaxies NGC 3718 and NGC 3729 in the Great Bear

Adam Block

PIX4611005

Persee Galaxy Cluster - Galaxy cluster in Perseus - The Persee galaxy cluster (Abell 426) contains at least 500 galaxies including the large elliptical galaxy NGC 1275. This galaxy (the largest to the bottom left of the image) is located about 235 million years ago - light; it is a very strong source of radio waves known as Perseus A. Perseus galaxy cluster (Abell 426) is a cluster of about 500 galaxies. The biggest (bottom left) is NGC 1275, located 235 million light years away; it is a strong radio source known as Perseus A

Persee Galaxy Cluster - Galaxy cluster in Perseus - The Persee galaxy cluster (Abell 426) contains at least 500 galaxies including the large elliptical galaxy NGC 1275. This galaxy (the largest to the bottom left of the image) is located about 235 million years ago - light; it is a very strong source of radio waves known as Perseus A. Perseus galaxy cluster (Abell 426) is a cluster of about 500 galaxies. The biggest (bottom left) is NGC 1275, located 235 million light years away; it is a strong radio source known as Perseus A

Jim Misti

PIX4565331

Galaxies NGC 4438 and NGC 4435 in the Virgin - Galaxies NGC 4438 and NGC 4435 in Virgo - These interacting galaxies are located at the heart of the galaxy cluster of the Virgin Mary about 50 million years old - light of the Earth. NGC 4438 (Arp 120) is a particular galaxy that houses a supermassive black hole. These interacting galaxies (NGC 4438 at left and NGC 4435 at right) lie in the heart of the Virgo galaxy cluster at about 50 million light years away. NGC 4438 (Arp 120) is a peculiar galaxy with a supermassive black hole in its center

Galaxies NGC 4438 and NGC 4435 in the Virgin - Galaxies NGC 4438 and NGC 4435 in Virgo - These interacting galaxies are located at the heart of the galaxy cluster of the Virgin Mary about 50 million years old - light of the Earth. NGC 4438 (Arp 120) is a particular galaxy that houses a supermassive black hole. These interacting galaxies (NGC 4438 at left and NGC 4435 at right) lie in the heart of the Virgo galaxy cluster at about 50 million light years away. NGC 4438 (Arp 120) is a peculiar galaxy with a supermassive black hole in its center

Jim Misti

PIX4611336

Persee Galaxy Cluster - Perseus galaxy cluster - The Persee galaxy cluster (Abell 426) contains at least 500 galaxies including the large elliptical galaxy NGC 1275. This galaxy (the galaxy with pink filaments to the left of the image) is located about 235 million years ago - light; it is a very strong source of radio wave transmission known as Perseus A. In the right center of the image, note the presence of a supernova, SN 2008fg, in a small blue spiral galaxy, NGC 1268. Perseus galaxy cluster (Abell 426) is a cluster of about 500 galaxies. The biggest (left) is NGC 1275, located 235 million light years away; it is a strong radio source known as Perseus A. The gravity exerted by the luminous parts of a galaxy cluster is insufficient to hold the cluster together. Thus, scientists have concluded the missing adhesive must be dark matter and since it's invisible to modern instruments - it can only be inferred. So, when one views the image of the Perseus Galaxy Cluster, ones sees only a s

Persee Galaxy Cluster - Perseus galaxy cluster - The Persee galaxy cluster (Abell 426) contains at least 500 galaxies including the large elliptical galaxy NGC 1275. This galaxy (the galaxy with pink filaments to the left of the image) is located about 235 million years ago - light; it is a very strong source of radio wave transmission known as Perseus A. In the right center of the image, note the presence of a supernova, SN 2008fg, in a small blue spiral galaxy, NGC 1268. Perseus galaxy cluster (Abell 426) is a cluster of about 500 galaxies. The biggest (left) is NGC 1275, located 235 million light years away; it is a strong radio source known as Perseus A. The gravity exerted by the luminous parts of a galaxy cluster is insufficient to hold the cluster together. Thus, scientists have concluded the missing adhesive must be dark matter and since it's invisible to modern instruments - it can only be inferred. So, when one views the image of the Perseus Galaxy Cluster, ones sees only a s

R. Jay GaBany

PIX4565332

Galaxies NGC 3718 and NGC 3729 in Ursa Major

Galaxies NGC 3718 and NGC 3729 in Ursa Major

Adam Block

PIX4610936

Galaxies NGC 3718 in the Great Bear - Galaxy NGC 3718 in Ursa Major - NGC 3718 (Arp 214) is a special galaxy located about 42 million years ago - light from the Earth in the constellation Big Bear. It's an active nucleus galaxy. Its tormented form is probably due to the attraction exerted by another galaxy, NGC 3729 (off-field). On the right, Arp 322 (or Hickson 56), is a group of 5 galaxies far farther away, located about 300 million years from Earth. NGC 3718 (Arp 214) seems to have a rudimentary bar and spiral structure although it is recognized as a peculiar galaxy and as such is listed within ARP's Atlas of Peculiar Galaxies. NGC 3718 contains an active galactic nucleus (AGN) and is known as a Seyfert type 1.9 galaxy. Its strange shape is probably due to a gravitational interaction with its companion NGC 3729 (out of field). A grouping of 5 background galaxies 300 million light years distant are projected at right of NGC 3718 and are designated Arp 322 (also Hickson 56). Several m

Galaxies NGC 3718 in the Great Bear - Galaxy NGC 3718 in Ursa Major - NGC 3718 (Arp 214) is a special galaxy located about 42 million years ago - light from the Earth in the constellation Big Bear. It's an active nucleus galaxy. Its tormented form is probably due to the attraction exerted by another galaxy, NGC 3729 (off-field). On the right, Arp 322 (or Hickson 56), is a group of 5 galaxies far farther away, located about 300 million years from Earth. NGC 3718 (Arp 214) seems to have a rudimentary bar and spiral structure although it is recognized as a peculiar galaxy and as such is listed within ARP's Atlas of Peculiar Galaxies. NGC 3718 contains an active galactic nucleus (AGN) and is known as a Seyfert type 1.9 galaxy. Its strange shape is probably due to a gravitational interaction with its companion NGC 3729 (out of field). A grouping of 5 background galaxies 300 million light years distant are projected at right of NGC 3718 and are designated Arp 322 (also Hickson 56). Several m

Jim Misti

PIX4610955

Galaxies NGC 3718 and NGC 3729 in the Great Bear - Galaxies NGC 3718 and NGC 3729 in Ursa Major - NGC 3718 is a special galaxy located about 42 million years ago - light from Earth in the constellation of the Great Bear. It's an active nucleus galaxy. Its tormented shape is probably due to the attraction exerted by another galaxy, NGC 3729, visible to its left. To the south, Arp 322 (or Hickson 56), is a group of 5 galaxies far farther away, located about 300 million light years away from Earth. NGC 3718 and its companion NGC 3729 (left) are physically related members of the Ursa Major galaxy cluster. The two galaxies appear to orbit each other at a projected separation of 147,000 light years. NGC 3718 (Arp 214) seems to have a rudimentary bar and spiral structure although it is recognized as a peculiar galaxy and as such is listed within ARP's Atlas of Peculiar Galaxies. NGC 3718 contains an active galactic nucleus (AGN) and is known as a Seyfert type 1.9 galaxy. Its strange shape is

Galaxies NGC 3718 and NGC 3729 in the Great Bear - Galaxies NGC 3718 and NGC 3729 in Ursa Major - NGC 3718 is a special galaxy located about 42 million years ago - light from Earth in the constellation of the Great Bear. It's an active nucleus galaxy. Its tormented shape is probably due to the attraction exerted by another galaxy, NGC 3729, visible to its left. To the south, Arp 322 (or Hickson 56), is a group of 5 galaxies far farther away, located about 300 million light years away from Earth. NGC 3718 and its companion NGC 3729 (left) are physically related members of the Ursa Major galaxy cluster. The two galaxies appear to orbit each other at a projected separation of 147,000 light years. NGC 3718 (Arp 214) seems to have a rudimentary bar and spiral structure although it is recognized as a peculiar galaxy and as such is listed within ARP's Atlas of Peculiar Galaxies. NGC 3718 contains an active galactic nucleus (AGN) and is known as a Seyfert type 1.9 galaxy. Its strange shape is

R. Gendler

PIX4610948

Quasars seen by the Hubble Space Telescope - Quasars seen by the Hubble Space Telescope - Gallery of quasars observed in different types of galaxies; left column, quasars in normal galaxies, center in colliding galaxies, right in particular galaxies. Top left: quasar PG 0052+251, has about 1.4 billion years - light. Bottom left: Quasar PHL 909 has about 1.5 billion years - light. High center: quasar IRAS04505 - 2958, has about 3 billion years - light. Low center: quasar PG 1012+008, has about 1.6 billion years - light. High right: quasar 0316 - 346, has about 2.2 billion years - light. Low right: quasar IRAS13218+0552. has about 2 billion years - light. Images obtained by the Hubble Space Telescope in 1996. Quasars reside in a variety of galaxies, from normal to highly disturbed. When seen through ground - based telescopes, these compact, enigmatic light sources resemble stars, yet they are billions of light - years away and several hundred billion times brighter than normal stars. The

Quasars seen by the Hubble Space Telescope - Quasars seen by the Hubble Space Telescope - Gallery of quasars observed in different types of galaxies; left column, quasars in normal galaxies, center in colliding galaxies, right in particular galaxies. Top left: quasar PG 0052+251, has about 1.4 billion years - light. Bottom left: Quasar PHL 909 has about 1.5 billion years - light. High center: quasar IRAS04505 - 2958, has about 3 billion years - light. Low center: quasar PG 1012+008, has about 1.6 billion years - light. High right: quasar 0316 - 346, has about 2.2 billion years - light. Low right: quasar IRAS13218+0552. has about 2 billion years - light. Images obtained by the Hubble Space Telescope in 1996. Quasars reside in a variety of galaxies, from normal to highly disturbed. When seen through ground - based telescopes, these compact, enigmatic light sources resemble stars, yet they are billions of light - years away and several hundred billion times brighter than normal stars. The

PIX4613552

Interacting galaxies NGC 1614 - Interacting galaxies NGC 1614 - The galaxy NGC 1614 is located about 200 million light years away from Earth in the southern constellation of Eridan. This system is composed of interacting galaxies. Image obtained by the Hubble Space Telescope on August 13, 2002. The galaxy system NGC 1614 has a bright optical center and two clear inner spiral arms that are fairly symmetrical. It also has a spectacular outer structure that consists principally of a large one - sided curved extension of one of these arms to the lower right, and a long, almost straight tail that emerges from the nucleus and crosses the extended arm to the upper right. The galaxy appears to be the result of a tidal interaction and the resulting merger of two predecessor systems. The system has a nuclear region of quasar - like luminosity, but shows no direct evidence for an active nucleus. It is heavily and unevenly reddened across its nucleus, while infrared imaging also shows a ridge of d

Interacting galaxies NGC 1614 - Interacting galaxies NGC 1614 - The galaxy NGC 1614 is located about 200 million light years away from Earth in the southern constellation of Eridan. This system is composed of interacting galaxies. Image obtained by the Hubble Space Telescope on August 13, 2002. The galaxy system NGC 1614 has a bright optical center and two clear inner spiral arms that are fairly symmetrical. It also has a spectacular outer structure that consists principally of a large one - sided curved extension of one of these arms to the lower right, and a long, almost straight tail that emerges from the nucleus and crosses the extended arm to the upper right. The galaxy appears to be the result of a tidal interaction and the resulting merger of two predecessor systems. The system has a nuclear region of quasar - like luminosity, but shows no direct evidence for an active nucleus. It is heavily and unevenly reddened across its nucleus, while infrared imaging also shows a ridge of d

PIX4609963

Interacting Galaxies Arp 256 in the Whale - Interacting galaxies Arp 256 in Cetus - The galaxy Arp 256, also called VV 352, is about 350 million years away from Earth. It's a pair of spiral galaxies interacting. Regions of intense star formations appear in blue. Image obtained by the Hubble Space Telescope on 22 May 2002. Arp 256 is a stunning system of two spiral galaxies in an early stage of merging. The Hubble image displays two galaxies with strongly disrupted shapes and an astonishing number of blue knots of star formation that look like exploding fireworks. The galaxy to the left has two extended ribbon - like tails of gas, dust and stars. The system is a luminous infrared system radiating more than a hundred billion times the luminosity of our Sun. Arp 256 is located in the constellation of Cetus, the Whale, about 350 million light - years away. It is the 256th galaxy in ARP's Atlas of Peculiar Galaxies

Interacting Galaxies Arp 256 in the Whale - Interacting galaxies Arp 256 in Cetus - The galaxy Arp 256, also called VV 352, is about 350 million years away from Earth. It's a pair of spiral galaxies interacting. Regions of intense star formations appear in blue. Image obtained by the Hubble Space Telescope on 22 May 2002. Arp 256 is a stunning system of two spiral galaxies in an early stage of merging. The Hubble image displays two galaxies with strongly disrupted shapes and an astonishing number of blue knots of star formation that look like exploding fireworks. The galaxy to the left has two extended ribbon - like tails of gas, dust and stars. The system is a luminous infrared system radiating more than a hundred billion times the luminosity of our Sun. Arp 256 is located in the constellation of Cetus, the Whale, about 350 million light - years away. It is the 256th galaxy in ARP's Atlas of Peculiar Galaxies

PIX4613619

Elliptical galaxy NGC 1275 in Persee - Elliptical galaxy NGC 1275 in Perseus - This image obtained by the Hubble space telescope in 1995 shows a system of two colliding galaxies; in the foreground, a spiral galaxy seen almost from the edge, with many stars forming in the background, a giant, very bright elliptical galaxy, special because it has a spiral structure in its center. Its core probably houses a black hole. NGC 1275 is located about 230 million years ago - light; it belongs to the large cluster of galaxies of Persee. These images, taken with Hubble's Wide Field Planetary Camera 2 (WFPC2), show traces of spiral structure accompanied by dramatic dust lanes and bright blue regions that mark areas of active star formation. Detailed observations of NGC 1275 indicate that the dusty material belongs to a spiral system seen nearly edge - on in the foreground. The second galaxy, lying beyond the first, is actually a giant elliptical with peculiar faint spiral structure in its nucleus.

Elliptical galaxy NGC 1275 in Persee - Elliptical galaxy NGC 1275 in Perseus - This image obtained by the Hubble space telescope in 1995 shows a system of two colliding galaxies; in the foreground, a spiral galaxy seen almost from the edge, with many stars forming in the background, a giant, very bright elliptical galaxy, special because it has a spiral structure in its center. Its core probably houses a black hole. NGC 1275 is located about 230 million years ago - light; it belongs to the large cluster of galaxies of Persee. These images, taken with Hubble's Wide Field Planetary Camera 2 (WFPC2), show traces of spiral structure accompanied by dramatic dust lanes and bright blue regions that mark areas of active star formation. Detailed observations of NGC 1275 indicate that the dusty material belongs to a spiral system seen nearly edge - on in the foreground. The second galaxy, lying beyond the first, is actually a giant elliptical with peculiar faint spiral structure in its nucleus.

PIX4609694

Interacting galaxies UGC 8335 in the Great Bear - Interacting galaxies UGC 8335 in Ursa Major - The galaxy UGC 8335, also called Arp 238, is located about 400 million years away from Earth. It's a pair of spiral galaxies interacting. Regions of intense star formations appear in blue. Image obtained by the Hubble Space Telescope on May 10, 2002. UGC 8335 (Arp 238) is a strongly interacting pair of spiral galaxies resembling two ice skaters. The interaction has united the galaxies via a bridge of material and has yanked two strongly curved tails of gas and stars from the outer parts of their bodies. Both galaxies show dust lanes in their centers. UGC 8335 is located in the constellation of Ursa Major, the Great Bear, about 400 million light - years from Earth. Image taken by the Hubble space telescope on May 10, 2002

Interacting galaxies UGC 8335 in the Great Bear - Interacting galaxies UGC 8335 in Ursa Major - The galaxy UGC 8335, also called Arp 238, is located about 400 million years away from Earth. It's a pair of spiral galaxies interacting. Regions of intense star formations appear in blue. Image obtained by the Hubble Space Telescope on May 10, 2002. UGC 8335 (Arp 238) is a strongly interacting pair of spiral galaxies resembling two ice skaters. The interaction has united the galaxies via a bridge of material and has yanked two strongly curved tails of gas and stars from the outer parts of their bodies. Both galaxies show dust lanes in their centers. UGC 8335 is located in the constellation of Ursa Major, the Great Bear, about 400 million light - years from Earth. Image taken by the Hubble space telescope on May 10, 2002

PIX4613624

Galaxy ESO 99 - 4 - Galaxy ESO 99 - 4 - The special galaxy ESO 99 - 4 is about 400 million light years away from Earth in the constellation of the Southern Triangle. Its tormented shape suggests that it has absorbed another galaxy. Image obtained by the Hubble Space Telescope on April 13, 2002. ESO 99 - 4 is a galaxy with a highly peculiar shape that is probably the remnant of an earlier merger process that has deformed it beyond visual recognition, leaving the main body largely obscured by dark bands of dust. ESO 99 - 4 lies in a rich field of foreground stars, in the constellation of Triangulum Australe, the Southern Triangle, about 400 million light - years away. Image taken by the Hubble space telescope on April 13, 2002

Galaxy ESO 99 - 4 - Galaxy ESO 99 - 4 - The special galaxy ESO 99 - 4 is about 400 million light years away from Earth in the constellation of the Southern Triangle. Its tormented shape suggests that it has absorbed another galaxy. Image obtained by the Hubble Space Telescope on April 13, 2002. ESO 99 - 4 is a galaxy with a highly peculiar shape that is probably the remnant of an earlier merger process that has deformed it beyond visual recognition, leaving the main body largely obscured by dark bands of dust. ESO 99 - 4 lies in a rich field of foreground stars, in the constellation of Triangulum Australe, the Southern Triangle, about 400 million light - years away. Image taken by the Hubble space telescope on April 13, 2002

PIX4613664

Collision galaxy NGC 520 - Galaxy NGC 520 in Pisces - The galaxy NGC 520, is about 100 million light years away from Earth in the constellation Pisces. This system consists of two colliding galaxies. The merger started 300 million years ago. The two galaxies are only in the middle of this process, their disk having merged but not yet their kernel. NGC 520 is among the brightest pairs of galaxies, and is visible with a small telescope. NGC 520 is the product of a collision between two disk galaxies that started 300 million years ago. It examplifies the middle stages of the merging process: the disks of the parent galaxies have merged together, but the nuclei have not yet coalesced. It features an odd - looking tail of stars and a prominent dust lane that runs diagonally across the center of the image and obscures the galaxy. NGC 520 is one of the brightest galaxy pairs on the sky, and can be observed with a small telescope towards the constellation of Pisces, the Fish, having the appear

Collision galaxy NGC 520 - Galaxy NGC 520 in Pisces - The galaxy NGC 520, is about 100 million light years away from Earth in the constellation Pisces. This system consists of two colliding galaxies. The merger started 300 million years ago. The two galaxies are only in the middle of this process, their disk having merged but not yet their kernel. NGC 520 is among the brightest pairs of galaxies, and is visible with a small telescope. NGC 520 is the product of a collision between two disk galaxies that started 300 million years ago. It examplifies the middle stages of the merging process: the disks of the parent galaxies have merged together, but the nuclei have not yet coalesced. It features an odd - looking tail of stars and a prominent dust lane that runs diagonally across the center of the image and obscures the galaxy. NGC 520 is one of the brightest galaxy pairs on the sky, and can be observed with a small telescope towards the constellation of Pisces, the Fish, having the appear

Adam Block

PIX4609250

Galaxy IC 883 - Galaxy IC 883 - The particular galaxy IC 883 (Arp 193) is located about 300 million light years away from Earth in the constellation Hunting Dogs. Its shape presents two antennas, maree tails, suggesting that IC 883 is the fusion of two galaxies. The collision caused a burst of star formations as evidenced by the presence of star clusters in the central region. Image obtained by the Hubble Space Telescope on January 10, 2002. IC 883 displays a very disturbed, complex central region with two tidal tails of approximately the same length emerging at nearly right angles: one diagonally to the top right of the frame and the other to the bottom right. The twin tidal tails suggest that IC 883 is the remnant of the merger of two gas - rich disk galaxies. The collision appears to have triggered a burst of star formation, indicated by a number of bright star clusters in the central region. IC 883 is 300 million light - years away towards the constellation of Canes Venatici, the H

Galaxy IC 883 - Galaxy IC 883 - The particular galaxy IC 883 (Arp 193) is located about 300 million light years away from Earth in the constellation Hunting Dogs. Its shape presents two antennas, maree tails, suggesting that IC 883 is the fusion of two galaxies. The collision caused a burst of star formations as evidenced by the presence of star clusters in the central region. Image obtained by the Hubble Space Telescope on January 10, 2002. IC 883 displays a very disturbed, complex central region with two tidal tails of approximately the same length emerging at nearly right angles: one diagonally to the top right of the frame and the other to the bottom right. The twin tidal tails suggest that IC 883 is the remnant of the merger of two gas - rich disk galaxies. The collision appears to have triggered a burst of star formation, indicated by a number of bright star clusters in the central region. IC 883 is 300 million light - years away towards the constellation of Canes Venatici, the H

PIX4613666

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

Collision galaxy NGC 520 - Galaxy NGC 520 in Pisces - The galaxy NGC 520, is about 100 million light years away from Earth in the constellation Pisces. This system consists of two colliding galaxies. The merger started 300 million years ago. The two galaxies are only in the middle of this process, their disk having merged but not yet their kernel. NGC 520 is among the brightest pairs of galaxies, and is visible with a small telescope. Image obtained by the Hubble Space Telescope on October 22, 2004. NGC 520 is the product of a collision between two disk galaxies that started 300 million years ago. It examplifies the middle stages of the merging process: the disks of the parent galaxies have merged together, but the nuclei have not yet coalesced. It features an odd - looking tail of stars and a prominent dust lane that runs diagonally across the center of the image and obscures the galaxy. NGC 520 is one of the brightest galaxy pairs on the sky, and can be observed with a small telescop

Collision galaxy NGC 520 - Galaxy NGC 520 in Pisces - The galaxy NGC 520, is about 100 million light years away from Earth in the constellation Pisces. This system consists of two colliding galaxies. The merger started 300 million years ago. The two galaxies are only in the middle of this process, their disk having merged but not yet their kernel. NGC 520 is among the brightest pairs of galaxies, and is visible with a small telescope. Image obtained by the Hubble Space Telescope on October 22, 2004. NGC 520 is the product of a collision between two disk galaxies that started 300 million years ago. It examplifies the middle stages of the merging process: the disks of the parent galaxies have merged together, but the nuclei have not yet coalesced. It features an odd - looking tail of stars and a prominent dust lane that runs diagonally across the center of the image and obscures the galaxy. NGC 520 is one of the brightest galaxy pairs on the sky, and can be observed with a small telescop

PIX4609218

Galaxy NGC 6240 in Ophiuchus - Galaxy NGC 6240 in Ophiuchus - The galaxy NGC 6240, is about 400 million light years away from Earth in the constellation Ophiuchus. This system consists of two colliding galaxies each with a central black hole; in several millions of years, they will form only one galaxy. Image obtained by the Hubble space telescope on 10 February 2002. NGC 6240 is a peculiar, butterfly - or lobster - shaped galaxy consisting of two smaller merging galaxies. It lies in the constellation of Ophiuchus, the Serpent Holder, some 400 million light - years away. Observations with NASA s Chandra X - ray Observatory have disclosed two giant black holes, about 3,000 light - years apart, which will drift towards one another and eventually merge together into a larger black hole. The merging process, which began about 30 million years ago, triggered dramatic star formation and sparked numerous supernova explosions. The merger will be complete in some tens to hundreds of millions of

Galaxy NGC 6240 in Ophiuchus - Galaxy NGC 6240 in Ophiuchus - The galaxy NGC 6240, is about 400 million light years away from Earth in the constellation Ophiuchus. This system consists of two colliding galaxies each with a central black hole; in several millions of years, they will form only one galaxy. Image obtained by the Hubble space telescope on 10 February 2002. NGC 6240 is a peculiar, butterfly - or lobster - shaped galaxy consisting of two smaller merging galaxies. It lies in the constellation of Ophiuchus, the Serpent Holder, some 400 million light - years away. Observations with NASA s Chandra X - ray Observatory have disclosed two giant black holes, about 3,000 light - years apart, which will drift towards one another and eventually merge together into a larger black hole. The merging process, which began about 30 million years ago, triggered dramatic star formation and sparked numerous supernova explosions. The merger will be complete in some tens to hundreds of millions of

PIX4612917

Interacting galaxies NGC 3256 - Interacting galaxies NGC 3256 - The special galaxy NGC 3256 is located about 100 million light years away from Earth in the southern constellation of Sails. A vestige of the collision of two galaxies, this system presents a double nucleus and many young clusters of stars. Image obtained by the Hubble Space Telescope on November 5, 2001. NGC 3256 is an impressive example of a peculiar galaxy that is actually the relict of a collision of two separate galaxies that took place in a distant past. The telltale signs of the collision are two extended luminous tails swirling out from the galaxy. NGC 3256 belongs to the Hydra - Centaurus supercluster complex and provides a nearby template for studying the properties of young star clusters in tidal tails. The system hides a double nucleus and a tangle of dust lanes in the central region. The tails are studded with a particularly high density of star clusters. Image taken by the Hubble space telescope on November 5

Interacting galaxies NGC 3256 - Interacting galaxies NGC 3256 - The special galaxy NGC 3256 is located about 100 million light years away from Earth in the southern constellation of Sails. A vestige of the collision of two galaxies, this system presents a double nucleus and many young clusters of stars. Image obtained by the Hubble Space Telescope on November 5, 2001. NGC 3256 is an impressive example of a peculiar galaxy that is actually the relict of a collision of two separate galaxies that took place in a distant past. The telltale signs of the collision are two extended luminous tails swirling out from the galaxy. NGC 3256 belongs to the Hydra - Centaurus supercluster complex and provides a nearby template for studying the properties of young star clusters in tidal tails. The system hides a double nucleus and a tangle of dust lanes in the central region. The tails are studded with a particularly high density of star clusters. Image taken by the Hubble space telescope on November 5

PIX4610539

Center of the particular galaxy Arp 220 in the Serpent - Heart of the galaxy Arp 220 - The galaxy Arp 220 (IC 4553) is about 250 million years away - light from Earth. Designee in the 1960s as a particular galaxy, today it is defined as an ultra-aluminous infrared galaxy. The Hubble space telescope photographed its heart in April 1997 in infrared light and discovered that its nucleus had two spiral galaxies colliding. The two nuclei (the two light points in the center) are 1200 light years apart and orbit around each other. This collision caused a tremendous flare of new stars. The Hubble Space Telescope's Near Infrared Camera and Multi - Object Spectrometer (NICMOS) has uncovered a collision between two spiral galaxies in the heart of the peculiar galaxy called Arp 220. The collision has provided the spark for a burst of star formation. The bright, crescent moon - shaped object is a remnant core of one of the colliding galaxies. The core is a cluster of 1 billion stars. The core's hal

Center of the particular galaxy Arp 220 in the Serpent - Heart of the galaxy Arp 220 - The galaxy Arp 220 (IC 4553) is about 250 million years away - light from Earth. Designee in the 1960s as a particular galaxy, today it is defined as an ultra-aluminous infrared galaxy. The Hubble space telescope photographed its heart in April 1997 in infrared light and discovered that its nucleus had two spiral galaxies colliding. The two nuclei (the two light points in the center) are 1200 light years apart and orbit around each other. This collision caused a tremendous flare of new stars. The Hubble Space Telescope's Near Infrared Camera and Multi - Object Spectrometer (NICMOS) has uncovered a collision between two spiral galaxies in the heart of the peculiar galaxy called Arp 220. The collision has provided the spark for a burst of star formation. The bright, crescent moon - shaped object is a remnant core of one of the colliding galaxies. The core is a cluster of 1 billion stars. The core's hal

PIX4613739

Galaxy AM 0644 - 741 in Flying Fish - Ring galaxy AM 0644 - 741 in Volans - The annular galaxy AM 0644 - 741 is about 300 million years away - light from Earth. A collision with another galaxy causes its ring shape. This ring extends over 150,000 years - light and is composed of recently formed and extremely bright blue stars. Image obtained by the Hubble Space Telescope in January 2004. This galaxy, cataloged as AM 0644 - 741, is a member of the class of so - called “” ring galaxies.”” It lies 300 million light - years away in the direction of the southern constellation Volans. Ring galaxies are an especially striking example of how collisions between galaxies can dramatically change their structure, while also triggering the formation of new stars. In the case of AM 0644 - 741, the galaxy that pierced through the ring galaxy is out of the image but visible in larger - field images. The soft spiral galaxy that is visible to the left of the ring galaxy in the image is a coincidental ba

Galaxy AM 0644 - 741 in Flying Fish - Ring galaxy AM 0644 - 741 in Volans - The annular galaxy AM 0644 - 741 is about 300 million years away - light from Earth. A collision with another galaxy causes its ring shape. This ring extends over 150,000 years - light and is composed of recently formed and extremely bright blue stars. Image obtained by the Hubble Space Telescope in January 2004. This galaxy, cataloged as AM 0644 - 741, is a member of the class of so - called “” ring galaxies.”” It lies 300 million light - years away in the direction of the southern constellation Volans. Ring galaxies are an especially striking example of how collisions between galaxies can dramatically change their structure, while also triggering the formation of new stars. In the case of AM 0644 - 741, the galaxy that pierced through the ring galaxy is out of the image but visible in larger - field images. The soft spiral galaxy that is visible to the left of the ring galaxy in the image is a coincidental ba

PIX4613542

Galaxy UGC 9618 in Bovier - Galaxy UGC 9618 in Botes - The galaxy UGC 9618, also called VV 340 or Arp 302, is about 450 million years away from Earth. It is a pair of interacting spiral galaxies, VV 340A (view from the edge, bottom) and VV 340B (view from the front, top). Massive stars are formed in abundance. Image obtained by the Hubble Space Telescope in January 2002. UGC 9618, also known as VV 340 or Arp 302 consists of a pair of very gas - rich spiral galaxies in their early stages of interaction: VV 340A is seen edge - on to the left, and VV 340B face - on to the right. An enormous amount of infrared light is radiated by the gas from massive stars that are forming at a rate similar to the most vigorous giant star - forming regions in our own Milky Way. UGC 9618 is 450 million light - years away from Earth, and is the 302nd galaxy in ARP's Atlas of Peculiar Galaxies

Galaxy UGC 9618 in Bovier - Galaxy UGC 9618 in Botes - The galaxy UGC 9618, also called VV 340 or Arp 302, is about 450 million years away from Earth. It is a pair of interacting spiral galaxies, VV 340A (view from the edge, bottom) and VV 340B (view from the front, top). Massive stars are formed in abundance. Image obtained by the Hubble Space Telescope in January 2002. UGC 9618, also known as VV 340 or Arp 302 consists of a pair of very gas - rich spiral galaxies in their early stages of interaction: VV 340A is seen edge - on to the left, and VV 340B face - on to the right. An enormous amount of infrared light is radiated by the gas from massive stars that are forming at a rate similar to the most vigorous giant star - forming regions in our own Milky Way. UGC 9618 is 450 million light - years away from Earth, and is the 302nd galaxy in ARP's Atlas of Peculiar Galaxies

PIX4613610

Spiral galaxy M81 in the Great Bear - Spiral galaxy M81 in Ursa Major - The spiral galaxy M81 is located 12 million years ago - light from Earth. Its arms are home to star-forming regions while its core is surrounded by much older yellow stars. An irregular dwarf galaxy, PGC 28757 (Holmberg IX), is visible at the top of the picture. Image obtained with a 50 cm telescope through different filters, total of different poses: 20h. M81 is the brightest member of the nearby galactic group called the M81 group. This group contains at least 25 other members including the peculiar starburst galaxy M82, the peculiar galaxy NGC 3077 and many dwarfs galaxies. The core galaxies of the group (M81, M82, NGC 3077, NGC 2976) are strongly interacting and are all imbedded within a large and extended molecular gas cloud. The Dwarf irregular Holmberg IX (seen above M81 in the image) most likely condensed from tidal debri existing between M81 and M82. M81 has the distinction of being the nearest spiral gala

Spiral galaxy M81 in the Great Bear - Spiral galaxy M81 in Ursa Major - The spiral galaxy M81 is located 12 million years ago - light from Earth. Its arms are home to star-forming regions while its core is surrounded by much older yellow stars. An irregular dwarf galaxy, PGC 28757 (Holmberg IX), is visible at the top of the picture. Image obtained with a 50 cm telescope through different filters, total of different poses: 20h. M81 is the brightest member of the nearby galactic group called the M81 group. This group contains at least 25 other members including the peculiar starburst galaxy M82, the peculiar galaxy NGC 3077 and many dwarfs galaxies. The core galaxies of the group (M81, M82, NGC 3077, NGC 2976) are strongly interacting and are all imbedded within a large and extended molecular gas cloud. The Dwarf irregular Holmberg IX (seen above M81 in the image) most likely condensed from tidal debri existing between M81 and M82. M81 has the distinction of being the nearest spiral gala

R. Gendler

PIX4610335

Spiral galaxy M81 in the Great Bear - Spiral galaxy M81 in Ursa Major: The spiral galaxy M81 is located 12 million light years from Earth. Its arms are home to star-forming regions while its core is surrounded by much older yellow stars. An irregular dwarf galaxy, PGC 28757 (Holmberg IX), is visible at the top of the picture. - M81 is the brightest member of the nearby galactic group called the M81 group. This group contains at least 25 other members including the peculiar starburst galaxy M82, the peculiar galaxy NGC 3077 and many dwarfs galaxies. The core galaxies of the group (M81, M82, NGC 3077, NGC 2976) are strongly interacting and are all imbedded within a large and extended molecular gas cloud. The Dwarf irregular Holmberg IX (seen above M81 in the image) most likely condensed from tidal debri existing between M81 and M82. M81 has the distinction of being the nearest spiral galaxy to have an active galactic nucleus (AGN). AGN galaxies are luminous galaxies that demonstrate much

Spiral galaxy M81 in the Great Bear - Spiral galaxy M81 in Ursa Major: The spiral galaxy M81 is located 12 million light years from Earth. Its arms are home to star-forming regions while its core is surrounded by much older yellow stars. An irregular dwarf galaxy, PGC 28757 (Holmberg IX), is visible at the top of the picture. - M81 is the brightest member of the nearby galactic group called the M81 group. This group contains at least 25 other members including the peculiar starburst galaxy M82, the peculiar galaxy NGC 3077 and many dwarfs galaxies. The core galaxies of the group (M81, M82, NGC 3077, NGC 2976) are strongly interacting and are all imbedded within a large and extended molecular gas cloud. The Dwarf irregular Holmberg IX (seen above M81 in the image) most likely condensed from tidal debri existing between M81 and M82. M81 has the distinction of being the nearest spiral galaxy to have an active galactic nucleus (AGN). AGN galaxies are luminous galaxies that demonstrate much

PIX4610399

Spiral galaxy M81 in the Great Bear - Spiral galaxy M81 in Ursa Major - The spiral galaxy M81 is located 12 million years ago - light from Earth. Its arms are home to star-forming regions while its core is surrounded by much older yellow stars. An irregular dwarf galaxy, PGC 28757 (Holmberg IX), is visible at the top of the picture. M81 is the brightest member of the nearby galactic group called the M81 group. This group contains at least 25 other members including the peculiar starburst galaxy M82, the peculiar galaxy NGC 3077 and many dwarfs galaxies. The core galaxies of the group (M81, M82, NGC 3077, NGC 2976) are strongly interacting and are all imbedded within a large and extended molecular gas cloud. The Dwarf irregular Holmberg IX (seen above M81 in the image) most likely condensed from tidal debri existing between M81 and M82. M81 has the distinction of being the nearest spiral galaxy to have an active galactic nucleus (AGN). AGN galaxies are luminous galaxies that demonstrate

Spiral galaxy M81 in the Great Bear - Spiral galaxy M81 in Ursa Major - The spiral galaxy M81 is located 12 million years ago - light from Earth. Its arms are home to star-forming regions while its core is surrounded by much older yellow stars. An irregular dwarf galaxy, PGC 28757 (Holmberg IX), is visible at the top of the picture. M81 is the brightest member of the nearby galactic group called the M81 group. This group contains at least 25 other members including the peculiar starburst galaxy M82, the peculiar galaxy NGC 3077 and many dwarfs galaxies. The core galaxies of the group (M81, M82, NGC 3077, NGC 2976) are strongly interacting and are all imbedded within a large and extended molecular gas cloud. The Dwarf irregular Holmberg IX (seen above M81 in the image) most likely condensed from tidal debri existing between M81 and M82. M81 has the distinction of being the nearest spiral galaxy to have an active galactic nucleus (AGN). AGN galaxies are luminous galaxies that demonstrate

R. Gendler

PIX4610379

Spiral galaxy M81 in the Great Bear - Spiral galaxy M81 in Ursa Major - The spiral galaxy M81 is located 12 million years ago - light from Earth. Its arms are home to star-forming regions while its core is surrounded by much older yellow stars. In the background at the top, an irregular dwarf galaxy, Holmberg IX. Image obtained by an amateur telescope of 50 cm, composting different poses. M81 is the brightest member of the nearby galactic group called the M81 group. This group contains at least 25 other members including the peculiar starburst galaxy M82, the peculiar galaxy NGC 3077 and many dwarfs galaxies. The core galaxies of the group (M81, M82, NGC 3077, NGC 2976) are strongly interacting and are all imbedded within a large and extended molecular gas cloud. The Dwarf irregular Holmberg IX (seen above M81 in the image) most likely condensed from tidal debri existing between M81 and M82. M81 has the distinction of being the nearest spiral galaxy to have an active galactic nucleus (

Spiral galaxy M81 in the Great Bear - Spiral galaxy M81 in Ursa Major - The spiral galaxy M81 is located 12 million years ago - light from Earth. Its arms are home to star-forming regions while its core is surrounded by much older yellow stars. In the background at the top, an irregular dwarf galaxy, Holmberg IX. Image obtained by an amateur telescope of 50 cm, composting different poses. M81 is the brightest member of the nearby galactic group called the M81 group. This group contains at least 25 other members including the peculiar starburst galaxy M82, the peculiar galaxy NGC 3077 and many dwarfs galaxies. The core galaxies of the group (M81, M82, NGC 3077, NGC 2976) are strongly interacting and are all imbedded within a large and extended molecular gas cloud. The Dwarf irregular Holmberg IX (seen above M81 in the image) most likely condensed from tidal debri existing between M81 and M82. M81 has the distinction of being the nearest spiral galaxy to have an active galactic nucleus (

R. Jay GaBany

PIX4610325

Centaurus A elliptical galaxy (NGC 5128) in the Centaurus - Galaxy Centaurus A (NGC 5128) - The galaxy NGC 5128 is located about 13 million years away from Earth. Image obtained by the MPG telescope of 2.2m in Chile. The peculiar galaxy Centaurus A (NGC 5128) is pictured in this image taken with by the Wide Field Imager attached to the MPG/ESO 2.2 - metre telescope at the La Silla Observatory in Chile. With a total exposure time of more than 50 hours this is probably the deepest view of this peculiar and spectacular object every created

Centaurus A elliptical galaxy (NGC 5128) in the Centaurus - Galaxy Centaurus A (NGC 5128) - The galaxy NGC 5128 is located about 13 million years away from Earth. Image obtained by the MPG telescope of 2.2m in Chile. The peculiar galaxy Centaurus A (NGC 5128) is pictured in this image taken with by the Wide Field Imager attached to the MPG/ESO 2.2 - metre telescope at the La Silla Observatory in Chile. With a total exposure time of more than 50 hours this is probably the deepest view of this peculiar and spectacular object every created

PIX4612224

Galaxies NGC 4631 and NGC 4656 - 57 in Hunting Dogs - Galaxies NGC 4631 and NGC 4656 - 57 - The spiral galaxy NGC 4631 (upper right) is a galaxy seen by the slice that is located at a distance of 30 million years - light. His small companion, the elliptical galaxy NGC 4627, is visible just above it. Below the irregular galaxies NGC 4656 and NGC 4657. Galaxies NGC 4631 (top right) and NGC 4656 (bottom left) are two unusual galaxies in Canes Venatici. A small companion galaxy, NGC 4627, can be seen next to NGC 4631. The galaxies, which are located about 30 million lights years away, get their unusual shapes from gravitational interactions with each other. NGC 6431 and NGC 4627 are also listed in ARP's Atlas of Peculiar Galaxies as Arp 281

Galaxies NGC 4631 and NGC 4656 - 57 in Hunting Dogs - Galaxies NGC 4631 and NGC 4656 - 57 - The spiral galaxy NGC 4631 (upper right) is a galaxy seen by the slice that is located at a distance of 30 million years - light. His small companion, the elliptical galaxy NGC 4627, is visible just above it. Below the irregular galaxies NGC 4656 and NGC 4657. Galaxies NGC 4631 (top right) and NGC 4656 (bottom left) are two unusual galaxies in Canes Venatici. A small companion galaxy, NGC 4627, can be seen next to NGC 4631. The galaxies, which are located about 30 million lights years away, get their unusual shapes from gravitational interactions with each other. NGC 6431 and NGC 4627 are also listed in ARP's Atlas of Peculiar Galaxies as Arp 281

Jerry Lodriguss

PIX4611740

Galaxies NGC 4631 and NGC 4656 - 57 in Hunting Dogs - Galaxies NGC 4631 and NGC 4656 - 57 - The spiral galaxy NGC 4631 (upper right) is a galaxy seen by the slice that is located at a distance of 30 million years - light. His small companion, the elliptical galaxy NGC 4627, is visible just above it. Below the irregular galaxies NGC 4656 and NGC 4657. Galaxies NGC 4631 (top right) and NGC 4656 (bottom left) are two unusual galaxies in Canes Venatici. A small companion galaxy, NGC 4627, can be seen next to NGC 4631. The galaxies, which are located about 30 million lights years away, get their unusual shapes from gravitational interactions with each other. NGC 6431 and NGC 4627 are also listed in ARP's Atlas of Peculiar Galaxies as Arp 281

Galaxies NGC 4631 and NGC 4656 - 57 in Hunting Dogs - Galaxies NGC 4631 and NGC 4656 - 57 - The spiral galaxy NGC 4631 (upper right) is a galaxy seen by the slice that is located at a distance of 30 million years - light. His small companion, the elliptical galaxy NGC 4627, is visible just above it. Below the irregular galaxies NGC 4656 and NGC 4657. Galaxies NGC 4631 (top right) and NGC 4656 (bottom left) are two unusual galaxies in Canes Venatici. A small companion galaxy, NGC 4627, can be seen next to NGC 4631. The galaxies, which are located about 30 million lights years away, get their unusual shapes from gravitational interactions with each other. NGC 6431 and NGC 4627 are also listed in ARP's Atlas of Peculiar Galaxies as Arp 281

R. Gendler

PIX4611764

Interacting Galaxies Arp 254 - Interacting Galaxies Arp 254 in Libra - These two interacting galaxies are located approximately 87 million light years away from Earth in the constellation Libra. NGC 5917, in the center left, is a spiral galaxy, MCG - 01 - 39 - 003, below, is a particular spiral galaxy. MCG - 01 - 39 - 003 (bottom center) is a peculiar spiral galaxy, that presents a hook at one side, most probably due to the interaction with its neighbour, the spiral galaxy NGC 5917 (above). Both these galaxies are located at similar distances, about 87 million light - years away, towards the constellation of Libra (The Balance)

Interacting Galaxies Arp 254 - Interacting Galaxies Arp 254 in Libra - These two interacting galaxies are located approximately 87 million light years away from Earth in the constellation Libra. NGC 5917, in the center left, is a spiral galaxy, MCG - 01 - 39 - 003, below, is a particular spiral galaxy. MCG - 01 - 39 - 003 (bottom center) is a peculiar spiral galaxy, that presents a hook at one side, most probably due to the interaction with its neighbour, the spiral galaxy NGC 5917 (above). Both these galaxies are located at similar distances, about 87 million light - years away, towards the constellation of Libra (The Balance)

Adam Block

PIX4612865

Spiral Galaxy NGC 1566 in the Dorado - The Seyfert Galaxy NGC 1566 - NGC 1566 is a spiral galaxy located about 50 million years ago - light. Its core is very bright. It is an active galaxy called Seyfert, which probably houses a black hole in its heart. Image made with Siding Spring's 3.9m telescope. NGC 1566 is the brightest member of a nearby group of galaxies in Dorado and is at a distance of about 50 million light years. It has beautifully symmetrical, tightly - wound spiral arms, which on deep images appear to almost encircle the galaxy. This striking galaxy is also of interest because it has a very luminous nucleus which has many of the characteristics of a quasar, though it is much less energetic. Galaxies of this type are known as Seyfert galaxies, after Carl Seyfert who first recognised their peculiar nature in 1943. The active region at the centre of NGC 1566 has recently been found to vary on a timescale of less than a month, which indicates that it is extremely compact. Spe

Spiral Galaxy NGC 1566 in the Dorado - The Seyfert Galaxy NGC 1566 - NGC 1566 is a spiral galaxy located about 50 million years ago - light. Its core is very bright. It is an active galaxy called Seyfert, which probably houses a black hole in its heart. Image made with Siding Spring's 3.9m telescope. NGC 1566 is the brightest member of a nearby group of galaxies in Dorado and is at a distance of about 50 million light years. It has beautifully symmetrical, tightly - wound spiral arms, which on deep images appear to almost encircle the galaxy. This striking galaxy is also of interest because it has a very luminous nucleus which has many of the characteristics of a quasar, though it is much less energetic. Galaxies of this type are known as Seyfert galaxies, after Carl Seyfert who first recognised their peculiar nature in 1943. The active region at the centre of NGC 1566 has recently been found to vary on a timescale of less than a month, which indicates that it is extremely compact. Spe

PIX4609942

Interacting galaxies Markarian 533 - Interacting galaxies Markarian 533 - The galaxy NGC 7674 (Markarian 533 or Arp 182) is located about 400 million years ago - light from Earth in the constellation Pegase. It is the most important member of a group of galaxies called Hickson 96 (HCG 96). This spiral galaxy seen from the front is in interaction with other companion galaxies. It has an active core. Image obtained by the Hubble Space Telescope on June 9, 2002. NGC 7674 (seen just above the center), also known as Markarian 533, is the brightest and largest member of the so - called Hickson 96 compact group of galaxies, consisting of four galaxies. This stunning Hubble image shows a spiral galaxy nearly face - on. The central bar - shaped structure is made up of stars. The shape of NGC 7674, including the long narrow streamers seen to the left of and below the galaxy can be accounted for by tidal interactions with its companions. NGC 7674 has a powerful active nucleus of the kind known as

Interacting galaxies Markarian 533 - Interacting galaxies Markarian 533 - The galaxy NGC 7674 (Markarian 533 or Arp 182) is located about 400 million years ago - light from Earth in the constellation Pegase. It is the most important member of a group of galaxies called Hickson 96 (HCG 96). This spiral galaxy seen from the front is in interaction with other companion galaxies. It has an active core. Image obtained by the Hubble Space Telescope on June 9, 2002. NGC 7674 (seen just above the center), also known as Markarian 533, is the brightest and largest member of the so - called Hickson 96 compact group of galaxies, consisting of four galaxies. This stunning Hubble image shows a spiral galaxy nearly face - on. The central bar - shaped structure is made up of stars. The shape of NGC 7674, including the long narrow streamers seen to the left of and below the galaxy can be accounted for by tidal interactions with its companions. NGC 7674 has a powerful active nucleus of the kind known as

PIX4613210

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. At the top right of the image, a special elliptical satellite galaxy, NGC 1097A, probably interacted with NGC 1097 in the past. Image obtained by combining several poses of several hours. Located at a distance of about 45 million light - years in the southern constellation Fornax, NGC 1097 is a relatively bright, barred spiral galaxy of type SBB, seen face - on. At magnitude 9.5, and thus just 25 times fainter than the faintest object that can be seen with the unaided eye, it appears in small telescopes as a bright, circular disc. NGC 1097 is an acive galaxy with an Active Galactic Nuclei (AGN), whose emission is thought to arise from matter (gas and stars) falling into oblivion in a central black hole. There is indeed mu

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. At the top right of the image, a special elliptical satellite galaxy, NGC 1097A, probably interacted with NGC 1097 in the past. Image obtained by combining several poses of several hours. Located at a distance of about 45 million light - years in the southern constellation Fornax, NGC 1097 is a relatively bright, barred spiral galaxy of type SBB, seen face - on. At magnitude 9.5, and thus just 25 times fainter than the faintest object that can be seen with the unaided eye, it appears in small telescopes as a bright, circular disc. NGC 1097 is an acive galaxy with an Active Galactic Nuclei (AGN), whose emission is thought to arise from matter (gas and stars) falling into oblivion in a central black hole. There is indeed mu

PIX4609641

Spiral galaxy NGC 908 in the Whale - Spiral galaxy NGC 908 in Cetus - NGC 908 is about 65 million years away - light from Earth. This galaxy undergoes a star-forming flames; clusters of young and massive stars are visible in the spiral arms. It is 75,000 years long - light years long and its shape suggests that it is subject to the gravitational influence of another galaxy yet unidentified. NGC 908 is a starburst galaxy, one that is undergoing a period of intense star formation. This is why it has numerous clumps of bright stars in its spiral arms and appears so bright on this photograph. It is also asymmetrical, with a peculiar split in the spiral arm on the left (eastern) side of the galaxy. Both these characteristics usually mean the galaxy has been disturbed by some massive intruder, usually another galaxy, but none is evident on the photograph or in the wider field around NGC 908

Spiral galaxy NGC 908 in the Whale - Spiral galaxy NGC 908 in Cetus - NGC 908 is about 65 million years away - light from Earth. This galaxy undergoes a star-forming flames; clusters of young and massive stars are visible in the spiral arms. It is 75,000 years long - light years long and its shape suggests that it is subject to the gravitational influence of another galaxy yet unidentified. NGC 908 is a starburst galaxy, one that is undergoing a period of intense star formation. This is why it has numerous clumps of bright stars in its spiral arms and appears so bright on this photograph. It is also asymmetrical, with a peculiar split in the spiral arm on the left (eastern) side of the galaxy. Both these characteristics usually mean the galaxy has been disturbed by some massive intruder, usually another galaxy, but none is evident on the photograph or in the wider field around NGC 908

PIX4609525

Irregular galaxy NGC 3239 in the Lion - Irregular galaxy NGC 3239 in Leo - The irregular galaxy NGC 3239 is located 25 million light years ago in the constellation Lion. Also visible on this image is the supernova SN 2012a (under the bright star in the center of the image). About 40,000 light - years across, irregular galaxy NGC 3239 lies near the center of this field of galaxies in the galaxy rich constellation Leo. At a distance of only 25 million light - years it dominates the frame, sporting a peculiar arrangement of structures, young blue star clusters and star forming regions, suggesting that NGC 3239 (aka Arp 263) is the result of a galaxy merger. Appearing almost on top of the pretty galaxy is a bright, spiky, foreground star, a nearby member of our own Milky Way galaxy almost directly along our line - of - sight to NGC 3239. Still, NGC 3239 is notable for hosting this year's first confirmed supernova, designated SN 2012A. SN 2012A is just below and right of the bright foregrou

Irregular galaxy NGC 3239 in the Lion - Irregular galaxy NGC 3239 in Leo - The irregular galaxy NGC 3239 is located 25 million light years ago in the constellation Lion. Also visible on this image is the supernova SN 2012a (under the bright star in the center of the image). About 40,000 light - years across, irregular galaxy NGC 3239 lies near the center of this field of galaxies in the galaxy rich constellation Leo. At a distance of only 25 million light - years it dominates the frame, sporting a peculiar arrangement of structures, young blue star clusters and star forming regions, suggesting that NGC 3239 (aka Arp 263) is the result of a galaxy merger. Appearing almost on top of the pretty galaxy is a bright, spiky, foreground star, a nearby member of our own Milky Way galaxy almost directly along our line - of - sight to NGC 3239. Still, NGC 3239 is notable for hosting this year's first confirmed supernova, designated SN 2012A. SN 2012A is just below and right of the bright foregrou

Adam Block

PIX4610534

Elliptical Galaxy M60 in Virgo - Elliptical galaxy M60 in Virgo - Elliptical galaxy M60 (NGC 4649) located in the Virgo cluster of galaxies. At right is the spiral galaxy NGC 4647. The peculiar galaxy pair is called Arp 116. The faint bluish spiral galaxy NGC 4647 is about two - thirds of M60 in size and much lower in mass - - roughly the size of our galaxy, the Milky Way. M60 lies roughly 54 million light - years away from Earth; NGC 4647 is about 63 million light - years away. M60 is the third brightest galaxy in the Virgo cluster of galaxies, a collection of more than 1,300 galaxies. M60 has a diameter of 120,000 light - years, and a mass of about one trillion times that of the Sun. A huge black hole of 4.5 billion solar masses lies at its center, one of the most massive black holes ever found. This image combines exposures from Hubble's Advanced Camera for Surveys and Wide Field and Planetary Camera 2

Elliptical Galaxy M60 in Virgo - Elliptical galaxy M60 in Virgo - Elliptical galaxy M60 (NGC 4649) located in the Virgo cluster of galaxies. At right is the spiral galaxy NGC 4647. The peculiar galaxy pair is called Arp 116. The faint bluish spiral galaxy NGC 4647 is about two - thirds of M60 in size and much lower in mass - - roughly the size of our galaxy, the Milky Way. M60 lies roughly 54 million light - years away from Earth; NGC 4647 is about 63 million light - years away. M60 is the third brightest galaxy in the Virgo cluster of galaxies, a collection of more than 1,300 galaxies. M60 has a diameter of 120,000 light - years, and a mass of about one trillion times that of the Sun. A huge black hole of 4.5 billion solar masses lies at its center, one of the most massive black holes ever found. This image combines exposures from Hubble's Advanced Camera for Surveys and Wide Field and Planetary Camera 2

PIX4611796

Centaurus A elliptical galaxy (NGC 5128) in the Centaurus - Galaxy Centaurus A (NGC 5128) - The galaxy NGC 5128 is located about 13 million years away from Earth. Image obtained by the 2,2m MPG telescope in Chile on March 25, 1999. Colour composite image of the peculiar galaxy Centaurus A (NGC 5128), obtained with the Wide - Field Imager (WFI) camera at the ESO/MPG 2.2 - m telescope on La Silla. It is based on a total of nine 3 - min exposures made on March 25, 1999, through different broad - band optical filters. The elliptical shape and the central dust band, the imprint of a galaxy collision, are well visible. North is up and East is to the left

Centaurus A elliptical galaxy (NGC 5128) in the Centaurus - Galaxy Centaurus A (NGC 5128) - The galaxy NGC 5128 is located about 13 million years away from Earth. Image obtained by the 2,2m MPG telescope in Chile on March 25, 1999. Colour composite image of the peculiar galaxy Centaurus A (NGC 5128), obtained with the Wide - Field Imager (WFI) camera at the ESO/MPG 2.2 - m telescope on La Silla. It is based on a total of nine 3 - min exposures made on March 25, 1999, through different broad - band optical filters. The elliptical shape and the central dust band, the imprint of a galaxy collision, are well visible. North is up and East is to the left

PIX4612257

Elliptical Galaxy Centaurus A (NGC 5128) - The galaxy Centaurus A - The galaxy NGC 5128 is located about 13 million light years away from Earth in the southern constellation of Centaurus. This giant galaxy is a powerful radio source known as Centaurus A. The central dark band would be the rest of dust in a spiral galaxy smaller than the giant galaxy would have cannibalized. Centaurus A is an active galaxy whose energy comes from a supermassive black hole. Image made with an amateur instrument, a 130 mm bezel. Designated as radio source Centaurus A, NGC 5128 is one of the most peculiar galaxies in the sky. It is bisected by a dark lane that is considered the dust remnant of a smaller spiral galaxy that was cannibalized by the larger elliptical galaxy. The collision resulted in a burst of star formation. A gigantic black hole equivalent to one billion solar masses resides inside NGC 5128

Elliptical Galaxy Centaurus A (NGC 5128) - The galaxy Centaurus A - The galaxy NGC 5128 is located about 13 million light years away from Earth in the southern constellation of Centaurus. This giant galaxy is a powerful radio source known as Centaurus A. The central dark band would be the rest of dust in a spiral galaxy smaller than the giant galaxy would have cannibalized. Centaurus A is an active galaxy whose energy comes from a supermassive black hole. Image made with an amateur instrument, a 130 mm bezel. Designated as radio source Centaurus A, NGC 5128 is one of the most peculiar galaxies in the sky. It is bisected by a dark lane that is considered the dust remnant of a smaller spiral galaxy that was cannibalized by the larger elliptical galaxy. The collision resulted in a burst of star formation. A gigantic black hole equivalent to one billion solar masses resides inside NGC 5128

Jerry Lodriguss

PIX4612235

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. A special elliptical satellite galaxy, NGC 1097A, probably interacted with NGC 1097 in the past. Image obtained by combining several poses of several hours. Located at a distance of about 45 million light - years in the southern constellation Fornax, NGC 1097 is a relatively bright, barred spiral galaxy of type SBB, seen face - on. At magnitude 9.5, and thus just 25 times fainter than the faintest object that can be seen with the unaided eye, it appears in small telescopes as a bright, circular disc. NGC 1097 is an active galaxy with an Active Galactic Nuclei (AGN), whose emission is thought to arise from matter (gas and stars) falling into oblivion in a central black hole. There is indeed much evidence that a supermassiv

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. A special elliptical satellite galaxy, NGC 1097A, probably interacted with NGC 1097 in the past. Image obtained by combining several poses of several hours. Located at a distance of about 45 million light - years in the southern constellation Fornax, NGC 1097 is a relatively bright, barred spiral galaxy of type SBB, seen face - on. At magnitude 9.5, and thus just 25 times fainter than the faintest object that can be seen with the unaided eye, it appears in small telescopes as a bright, circular disc. NGC 1097 is an active galaxy with an Active Galactic Nuclei (AGN), whose emission is thought to arise from matter (gas and stars) falling into oblivion in a central black hole. There is indeed much evidence that a supermassiv

R. Gendler

PIX4609650

Spiral galaxy ESO 510 - 13 in Hydra - Spiral galaxy ESO 510 - 13 in Hydra - The spiral galaxy ESO 510 - 13 is about 150 million years away - light from Earth and extends over about 100,000 years - light. Image obtained by the ANTU telescope of the VLT on March 15, 1999. The peculiar spiral galaxy ESO 510 - 13 resembles the famous “” Sombrero”” galaxy, but its equatorial dust plane is pronouncedly warped. Its distance is about 170 million light - years and the size is 100,000 light - years. This three - colour composite was obtained with VLT ANTU and FORS in the morning of March 15, 1999

Spiral galaxy ESO 510 - 13 in Hydra - Spiral galaxy ESO 510 - 13 in Hydra - The spiral galaxy ESO 510 - 13 is about 150 million years away - light from Earth and extends over about 100,000 years - light. Image obtained by the ANTU telescope of the VLT on March 15, 1999. The peculiar spiral galaxy ESO 510 - 13 resembles the famous “” Sombrero”” galaxy, but its equatorial dust plane is pronouncedly warped. Its distance is about 170 million light - years and the size is 100,000 light - years. This three - colour composite was obtained with VLT ANTU and FORS in the morning of March 15, 1999

PIX4613547

Interacting spiral galaxies Arp 87 - Interacting galaxies Arp 87 - This pair of interaction galaxies called Arp 87 is composed of the galaxy NGC 3808, on the right, and its companion NGC 3808A. Both are spiral galaxies. An arm of NGC 3808, consisting of dust, gas and stars, envelops his companion. The interaction of these galaxies causes intense star formation. Arp 87 is located 300 million light years from Earth in the constellation Lion. This image was taken by the Hubble Space Telescope in February 2007. Arp 87 is a stunning pair of interacting galaxies. Stars, gas, and dust flow from the large spiral galaxy, NGC 3808, forming an enveloping arm around its companion. The shapes of both galaxies have been distorted by their gravitational interaction. Arp 87 is located in the constellation of Leo, the Lion, approximately 300 million light - years away from Earth. Arp 87 appears in ARP's Atlas of Peculiar Galaxies. As also seen in similar interacting galaxies, the corkscrew shape of the

Interacting spiral galaxies Arp 87 - Interacting galaxies Arp 87 - This pair of interaction galaxies called Arp 87 is composed of the galaxy NGC 3808, on the right, and its companion NGC 3808A. Both are spiral galaxies. An arm of NGC 3808, consisting of dust, gas and stars, envelops his companion. The interaction of these galaxies causes intense star formation. Arp 87 is located 300 million light years from Earth in the constellation Lion. This image was taken by the Hubble Space Telescope in February 2007. Arp 87 is a stunning pair of interacting galaxies. Stars, gas, and dust flow from the large spiral galaxy, NGC 3808, forming an enveloping arm around its companion. The shapes of both galaxies have been distorted by their gravitational interaction. Arp 87 is located in the constellation of Leo, the Lion, approximately 300 million light - years away from Earth. Arp 87 appears in ARP's Atlas of Peculiar Galaxies. As also seen in similar interacting galaxies, the corkscrew shape of the

PIX4610957

Interacting galaxies Arp 81 - Interacting galaxies Arp 81 - Arp 81 is located about 300 million light years away from Earth in the constellation Dragon. This pair of interacting galaxies is composed of NGC 6621 on the left and NGC 6622 on the right. NGC 6621 is the largest of the two galaxies. The collision, seen here about 100 million years later, caused intense star flames. Image obtained by the Hubble Space Telescope on 15 March 1999. NGC 6621/2 (VV 247, Arp 81) is a strongly interacting pair of galaxies, seen about 100 million years after their closest approach. It consists of NGC 6621 (to the left) and NGC 6622 (to the right). NGC 6621 is the larger of the two, and is a very disturbed spiral galaxy. The encounter has pulled a long tail out of NGC 6621 that has now wrapped behind its body. The collision has also triggered extensive star formation between the two galaxies. Scientists believe that Arp 81 has a richer collection of young massive star clusters than the notable Antennae

Interacting galaxies Arp 81 - Interacting galaxies Arp 81 - Arp 81 is located about 300 million light years away from Earth in the constellation Dragon. This pair of interacting galaxies is composed of NGC 6621 on the left and NGC 6622 on the right. NGC 6621 is the largest of the two galaxies. The collision, seen here about 100 million years later, caused intense star flames. Image obtained by the Hubble Space Telescope on 15 March 1999. NGC 6621/2 (VV 247, Arp 81) is a strongly interacting pair of galaxies, seen about 100 million years after their closest approach. It consists of NGC 6621 (to the left) and NGC 6622 (to the right). NGC 6621 is the larger of the two, and is a very disturbed spiral galaxy. The encounter has pulled a long tail out of NGC 6621 that has now wrapped behind its body. The collision has also triggered extensive star formation between the two galaxies. Scientists believe that Arp 81 has a richer collection of young massive star clusters than the notable Antennae

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Spiral galaxy NGC 6503 in the Dragon - Spiral galaxy NGC 6503 in Draco - The dwarf spiral galaxy NGC 6503 is located about 17 million years ago - light from Earth. It spans 30,000 light years and shows many star-forming regions. Image obtained by the Hubble Space Telescope. Fresh starbirth infuses the galaxy NGC 6503 with a vital pink glow in this image from the NASA/ESA Hubble Space Telescope. This galaxy, a smaller version of the Milky Way, is perched near a great void in space where few other galaxies reside. This new image from Hubble's Advanced Camera for Surveys displays, with particular clarity, the pink - colored puffs marking where stars have recently formed in NGC 6503's swirling spiral arms. Although structurally similar to the Milky Way, the disc of NGC 6503 spans just 30 000 light - years, or just about a third of the size of the Milky Way, leading astronomers to classify NGC 6503 as a dwarf spiral galaxy. NGC 6503 lies approximately 17 million light - years away in the co

Spiral galaxy NGC 6503 in the Dragon - Spiral galaxy NGC 6503 in Draco - The dwarf spiral galaxy NGC 6503 is located about 17 million years ago - light from Earth. It spans 30,000 light years and shows many star-forming regions. Image obtained by the Hubble Space Telescope. Fresh starbirth infuses the galaxy NGC 6503 with a vital pink glow in this image from the NASA/ESA Hubble Space Telescope. This galaxy, a smaller version of the Milky Way, is perched near a great void in space where few other galaxies reside. This new image from Hubble's Advanced Camera for Surveys displays, with particular clarity, the pink - colored puffs marking where stars have recently formed in NGC 6503's swirling spiral arms. Although structurally similar to the Milky Way, the disc of NGC 6503 spans just 30 000 light - years, or just about a third of the size of the Milky Way, leading astronomers to classify NGC 6503 as a dwarf spiral galaxy. NGC 6503 lies approximately 17 million light - years away in the co

PIX4612940

Interacting Galaxies Arp 240 - Interacting galaxies Arp 240 - The galaxy Arp 240 is located about 300 million light years away from Earth in the constellation of the Virgin. Composed of spiral galaxies NGC 5257 and NGC 5258, this interacting system presents important star formations. The two galaxies contain a supermassive black hole in the centre. Image obtained by the Hubble Space Telescope on 20 December 2001. NGC 5257/8 (Arp 240) is an astonishing galaxy pair, composed of spiral galaxies of similar mass and size, NGC 5257 and NGC 5258. The galaxies are visibly interacting with each other via a bridge of dim stars connecting the two galaxies, almost like two dancers holding hands while performing a pirouette. Both galaxies harbor supermassive black holes in their centers and are actively forming new stars in their disks. Arp 240 is located in the constellation Virgo, approximately 300 million light - years away, and is the 240th galaxy in ARP's Atlas of Peculiar Galaxies. With the e

Interacting Galaxies Arp 240 - Interacting galaxies Arp 240 - The galaxy Arp 240 is located about 300 million light years away from Earth in the constellation of the Virgin. Composed of spiral galaxies NGC 5257 and NGC 5258, this interacting system presents important star formations. The two galaxies contain a supermassive black hole in the centre. Image obtained by the Hubble Space Telescope on 20 December 2001. NGC 5257/8 (Arp 240) is an astonishing galaxy pair, composed of spiral galaxies of similar mass and size, NGC 5257 and NGC 5258. The galaxies are visibly interacting with each other via a bridge of dim stars connecting the two galaxies, almost like two dancers holding hands while performing a pirouette. Both galaxies harbor supermassive black holes in their centers and are actively forming new stars in their disks. Arp 240 is located in the constellation Virgo, approximately 300 million light - years away, and is the 240th galaxy in ARP's Atlas of Peculiar Galaxies. With the e

PIX4612595

Barree spiral galaxy NGC 4945 in Centaurus - Barred spiral galaxy NGC 4945 in Centaurus - The barree spiral galaxy NGC 4945 is located about 13 million years away - light from Earth. This image was obtained by Siding Spring's 3.9m telescope. This is one of many peculiar galaxies that populate the large southern constellation of Centaurus. This remarkable spiral galaxy seen almost edge - on, and the spiral structure is chaotic and difficult to discern. In part this is because the galaxy is itself extremely dusty, and it is seen through dust in the Milky Way. These effects together account for its yellowish hue, though patches of bluish stars can be seen. The dust in NGC 4945 absorbs most of the visible light, especially the blue light from the numerous bright stars known present within the galaxy. This energy is re - radiated at infrared wavelengths, which penetrate dust more readily, which is why the galaxy is found to be unusually bright in the infrared

Barree spiral galaxy NGC 4945 in Centaurus - Barred spiral galaxy NGC 4945 in Centaurus - The barree spiral galaxy NGC 4945 is located about 13 million years away - light from Earth. This image was obtained by Siding Spring's 3.9m telescope. This is one of many peculiar galaxies that populate the large southern constellation of Centaurus. This remarkable spiral galaxy seen almost edge - on, and the spiral structure is chaotic and difficult to discern. In part this is because the galaxy is itself extremely dusty, and it is seen through dust in the Milky Way. These effects together account for its yellowish hue, though patches of bluish stars can be seen. The dust in NGC 4945 absorbs most of the visible light, especially the blue light from the numerous bright stars known present within the galaxy. This energy is re - radiated at infrared wavelengths, which penetrate dust more readily, which is why the galaxy is found to be unusually bright in the infrared

PIX4612044

Hubble deep field sud - Hubble deep field south - In the southern constellation of Toucan, the Hubble space telescope posed 75h to obtain this image of the distant universe. Thousands of galaxies away from 1 to 12 billion light years are visible in this image. From Earth, the target field is the one “” that one would see through the eye of a needle held at arm's length.” If the distribution of galaxies over the entire Celestial vault were similar to this field, the number of galaxies observable up to magnitude 30 would be 50 billion. This picture is the culmination of a 10 - day - long observation called the Hubble Deep Field South which was carried out in October 1998. This new “” far - look”” complements the original Hubble “” deep field””” taken in late 1995, when Hubble was aimed at a small patch of space near the Big Dipper. The new region is in the constellation Tucana, near the south celestial pole. Hubble's sharp vision allows astronomers to sort galaxy shapes. The image is dom

Hubble deep field sud - Hubble deep field south - In the southern constellation of Toucan, the Hubble space telescope posed 75h to obtain this image of the distant universe. Thousands of galaxies away from 1 to 12 billion light years are visible in this image. From Earth, the target field is the one “” that one would see through the eye of a needle held at arm's length.” If the distribution of galaxies over the entire Celestial vault were similar to this field, the number of galaxies observable up to magnitude 30 would be 50 billion. This picture is the culmination of a 10 - day - long observation called the Hubble Deep Field South which was carried out in October 1998. This new “” far - look”” complements the original Hubble “” deep field””” taken in late 1995, when Hubble was aimed at a small patch of space near the Big Dipper. The new region is in the constellation Tucana, near the south celestial pole. Hubble's sharp vision allows astronomers to sort galaxy shapes. The image is dom

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Nebuleuse N44 in the Great Magellan Cloud - This photo shows the southern part of the spectacular N44 region in the Large Magellanic Cloud. The green colour indicates areas that are particularly hot. The field measures 27.5 x 26.5 arcmin2., North is up and East is left. The two best known satellite galaxies of the Milky Way, the Magellanic Clouds, are located in the southern sky at a distance of about 170,000 light - years. They host many giant nebular complexes with very hot and luminous stars whose intense ultraviolet radiation causes the surrounding interstellar gas to glow. The intricate and colourful nebulae are produced by ionised gas that shines as electrons and positively charged atomic nuclei recombine, emitting a cascade of photons at well defined wavelengths. Such nebulae are called “” H II regions””, signifying ionised hydrogen, i.e. hydrogen atoms that have lost one electron (protons). Their spectra are characterized by emission lines whose relative intensities carry usefu

Nebuleuse N44 in the Great Magellan Cloud - This photo shows the southern part of the spectacular N44 region in the Large Magellanic Cloud. The green colour indicates areas that are particularly hot. The field measures 27.5 x 26.5 arcmin2., North is up and East is left. The two best known satellite galaxies of the Milky Way, the Magellanic Clouds, are located in the southern sky at a distance of about 170,000 light - years. They host many giant nebular complexes with very hot and luminous stars whose intense ultraviolet radiation causes the surrounding interstellar gas to glow. The intricate and colourful nebulae are produced by ionised gas that shines as electrons and positively charged atomic nuclei recombine, emitting a cascade of photons at well defined wavelengths. Such nebulae are called “” H II regions””, signifying ionised hydrogen, i.e. hydrogen atoms that have lost one electron (protons). Their spectra are characterized by emission lines whose relative intensities carry usefu

PIX4620812

Elliptical galaxy NGC 1275 in Perseus

Elliptical galaxy NGC 1275 in Perseus

PIX5620129

Interacting galaxies Arp 81

Interacting galaxies Arp 81

Adam Block

PIX5620161

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

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Nebula NGC 6164 - 5 in the Rule - The emission nebula NGC 6164 - 65 - This nebula is located about 4000 years - light from Earth. It is a bipolar nebula around a very hot star at the end of life, the star HD 148937. NGC 6164 - 65 is a bipolar nebula surrounding the peculiar O 7f star HD 148937. Although the nebula was believed initially to represent a planetary nebula, it is now understood to represent a shell - like ejected nebula, formed by the winds of its young central star. Wind blown nebulae are usually considered the outcome of Wolf - Rayet type stars (WR), evolved O - type stars that have left the main sequence, molding their surroundings by way of fierce stellar winds. In the case of the S - shaped bipolar nebula NGC 6164 - 65, the central star is not a WR star, but a young O - type supergiant of 40 solar masses. Relatively few examples of such objects are known to exist, making NGC 6164 - 5 particularly unique. The true age of the star is not known although estimates of its a

Nebula NGC 6164 - 5 in the Rule - The emission nebula NGC 6164 - 65 - This nebula is located about 4000 years - light from Earth. It is a bipolar nebula around a very hot star at the end of life, the star HD 148937. NGC 6164 - 65 is a bipolar nebula surrounding the peculiar O 7f star HD 148937. Although the nebula was believed initially to represent a planetary nebula, it is now understood to represent a shell - like ejected nebula, formed by the winds of its young central star. Wind blown nebulae are usually considered the outcome of Wolf - Rayet type stars (WR), evolved O - type stars that have left the main sequence, molding their surroundings by way of fierce stellar winds. In the case of the S - shaped bipolar nebula NGC 6164 - 65, the central star is not a WR star, but a young O - type supergiant of 40 solar masses. Relatively few examples of such objects are known to exist, making NGC 6164 - 5 particularly unique. The true age of the star is not known although estimates of its a

PIX4619228

Nebula NGC 6164-5 in the Rule - The emission nebula NGC 6164-65: This nebula is located about 4000 light years from Earth. It is a bipolar nebula around a very hot star at the end of life, the star HD 148937 - NGC 6164-65 is a bipolar nebula surrounding the peculiar O 7f star HD 148937. Although the nebula was believed initially to represent a planetary nebula, it is now understood to represent a shell-like ejected nebula, formed by the winds of its young central star. Wind blown nebulae are usually considered the outcome of Wolf-Rayet type stars (WR), evolved O-type stars that have left the main sequence, molding their surroundings by way of fierce stellar winds. In the case of the S-shaped bipolar nebula NGC 6164-65, the central star is not a WR star, but a young O-type supergiant of 40 solar masses. Relatively few examples of such objects are known to exist, making NGC 6164-65 particularly unique. The true age of the star is not known although estimates of its age vary from a pre-ma

Nebula NGC 6164-5 in the Rule - The emission nebula NGC 6164-65: This nebula is located about 4000 light years from Earth. It is a bipolar nebula around a very hot star at the end of life, the star HD 148937 - NGC 6164-65 is a bipolar nebula surrounding the peculiar O 7f star HD 148937. Although the nebula was believed initially to represent a planetary nebula, it is now understood to represent a shell-like ejected nebula, formed by the winds of its young central star. Wind blown nebulae are usually considered the outcome of Wolf-Rayet type stars (WR), evolved O-type stars that have left the main sequence, molding their surroundings by way of fierce stellar winds. In the case of the S-shaped bipolar nebula NGC 6164-65, the central star is not a WR star, but a young O-type supergiant of 40 solar masses. Relatively few examples of such objects are known to exist, making NGC 6164-65 particularly unique. The true age of the star is not known although estimates of its age vary from a pre-ma

PIX4619260

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

Persee Galaxy Cluster - Galaxy cluster in Perseus - The Persee galaxy cluster (Abell 426) contains at least 500 galaxies including the large elliptical galaxy NGC 1275. This galaxy (the largest to the lower left of the image) is located about 235 million years ago - light; it is a very strong source of radio wave transmission. Image obtained with a 400 mm telescope through several filters and composite. More than 4 hours of installation. The Perseus galaxy cluster (Abell 426) is a rich cluster containing over 500 members centered on the large elliptical galaxy NGC 1275 (bottom left). Also known as Perseus A, NGC 1275 is an extremely powerful radio source

Persee Galaxy Cluster - Galaxy cluster in Perseus - The Persee galaxy cluster (Abell 426) contains at least 500 galaxies including the large elliptical galaxy NGC 1275. This galaxy (the largest to the lower left of the image) is located about 235 million years ago - light; it is a very strong source of radio wave transmission. Image obtained with a 400 mm telescope through several filters and composite. More than 4 hours of installation. The Perseus galaxy cluster (Abell 426) is a rich cluster containing over 500 members centered on the large elliptical galaxy NGC 1275 (bottom left). Also known as Perseus A, NGC 1275 is an extremely powerful radio source

E Mouquet

PIX4565322

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