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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

Interacting Galaxies Markarian 848 - Interacting galaxies Markarian 848 - The Markarian 848 galaxy is located about 550 million light years away from Earth in the constellation Bovier. This galaxy consists of two galaxies that merge. The nuclei of each of these galaxies are still visible and are apart by 16,000 light years. Image obtained by the Hubble Space Telescope on November 13, 2001. VV 705, or Markarian 848, consists of two galaxies that seem to be embracing each other. Two long, highly curved arms of gas and stars emerge from a central region with two cores. One arm, curving clockwise, stretches to the top of the image where it makes a U - turn and interlocks with the other arm that curves up counter - clockwise from below. The two cores are 16,000 light - years apart. The pair is thought to be midway through a merger. Markarian 848 is located in the constellation of Bootes, the Bear Watcher, and is approximately 550 million light - years away from Earth. Image taken by the Hub

Interacting Galaxies Markarian 848 - Interacting galaxies Markarian 848 - The Markarian 848 galaxy is located about 550 million light years away from Earth in the constellation Bovier. This galaxy consists of two galaxies that merge. The nuclei of each of these galaxies are still visible and are apart by 16,000 light years. Image obtained by the Hubble Space Telescope on November 13, 2001. VV 705, or Markarian 848, consists of two galaxies that seem to be embracing each other. Two long, highly curved arms of gas and stars emerge from a central region with two cores. One arm, curving clockwise, stretches to the top of the image where it makes a U - turn and interlocks with the other arm that curves up counter - clockwise from below. The two cores are 16,000 light - years apart. The pair is thought to be midway through a merger. Markarian 848 is located in the constellation of Bootes, the Bear Watcher, and is approximately 550 million light - years away from Earth. Image taken by the Hub

PIX4613691

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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Galaxies NGC 5090 - NGC 5091 in Centaurus - Interacting galaxies NGC 5090 - 5091 in Centaurus - NGC 5090 is an elliptical galaxy and NGC 5091 a spiral galaxy. These two galaxies interact and lie about 150 million light years away from Earth. This image was obtained by the ANTU telescope of the VLT on March 29, 1999. NGC 5090 is an elliptical galaxy interacting with the spiral galaxy NGC 5091. Both are located at about 150 million light - years away. Image taken with ANTU telescope (VLT) on March 29, 1999

Galaxies NGC 5090 - NGC 5091 in Centaurus - Interacting galaxies NGC 5090 - 5091 in Centaurus - NGC 5090 is an elliptical galaxy and NGC 5091 a spiral galaxy. These two galaxies interact and lie about 150 million light years away from Earth. This image was obtained by the ANTU telescope of the VLT on March 29, 1999. NGC 5090 is an elliptical galaxy interacting with the spiral galaxy NGC 5091. Both are located at about 150 million light - years away. Image taken with ANTU telescope (VLT) on March 29, 1999

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Interacting spiral galaxy NGC 1532 in Eridan - Interacting galaxy NGC 1532 in Eridanus - The spiral galaxy NGC 1532 is located about 70 million light years ago in the southern constellation of Eridan. It interacts with a dwarf galaxy, NGC 1531, visible just above it, which it will absorb in a few million years. Image obtained from the 1.5m Danish telescope of La Silla in Chile. NGC 1532, the large distorted spiral is in the process of cannibalizing the dwarf elliptical NGC 1531. The process takes millions of years. Large galaxies like our Milky Way typically engulf smaller galaxies, incorporating their stars and gas over millions of years into the larger galactic structure. These galaxies are located 70 million light years away in southern constellation of Eridanus. This image was made at the danish 1.5 meter telescope in La Silla, Chile

Interacting spiral galaxy NGC 1532 in Eridan - Interacting galaxy NGC 1532 in Eridanus - The spiral galaxy NGC 1532 is located about 70 million light years ago in the southern constellation of Eridan. It interacts with a dwarf galaxy, NGC 1531, visible just above it, which it will absorb in a few million years. Image obtained from the 1.5m Danish telescope of La Silla in Chile. NGC 1532, the large distorted spiral is in the process of cannibalizing the dwarf elliptical NGC 1531. The process takes millions of years. Large galaxies like our Milky Way typically engulf smaller galaxies, incorporating their stars and gas over millions of years into the larger galactic structure. These galaxies are located 70 million light years away in southern constellation of Eridanus. This image was made at the danish 1.5 meter telescope in La Silla, Chile

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Barree spiral galaxy NGC 6744 in the constellation Peacock - Barred spiral galaxy NGC 6744 in Pavo - The galaxy NGC 6744 is located about 25 million years ago - light from Earth. Image obtained from the 3.9m telescope of Siding Spring, Australia. This beautiful galaxy is about 25 million light years away in the direction of Pavo, a constellation of the southern hemisphere winter. It sits in a rich starfield, and is strongly inclined to our line of sight. NGC 6744 is believed to one of the most Milky Way - like of all the nearby spirals, with fluffy (flocculent) spiral arms and a large and distinctly elongated nucleus. It also has other similarities to the Milky Way that are not visible here with at least one distorted companion galaxy superficially similar to one of the Magellanic Clouds

Barree spiral galaxy NGC 6744 in the constellation Peacock - Barred spiral galaxy NGC 6744 in Pavo - The galaxy NGC 6744 is located about 25 million years ago - light from Earth. Image obtained from the 3.9m telescope of Siding Spring, Australia. This beautiful galaxy is about 25 million light years away in the direction of Pavo, a constellation of the southern hemisphere winter. It sits in a rich starfield, and is strongly inclined to our line of sight. NGC 6744 is believed to one of the most Milky Way - like of all the nearby spirals, with fluffy (flocculent) spiral arms and a large and distinctly elongated nucleus. It also has other similarities to the Milky Way that are not visible here with at least one distorted companion galaxy superficially similar to one of the Magellanic Clouds

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Interacting galaxies NGC 454 - Interacting galaxies NGC 454 - NGC 454 is located about 164 million light years away from Earth in the southern constellation of Phenix. This pair of interacting galaxies consists of a large elliptical galaxy and an irregular galaxy. The fusion process between the two galaxies is still in its early stages and no sign of star formation caused by this interaction has been detected. Image obtained by the Hubble Space Telescope on 6 March 1997. NGC 454 is galaxy pair comprising a large red elliptical galaxy and an irregular gas - rich blue galaxy. The system is in the early stages of an interaction that has severely distorted both components. The three bright blue knots of very young stars to the left of the two main components are probably part of the irregular blue galaxy. Although the dust lanes that stretch all the way to the center of the elliptical galaxy suggest that gas has penetrated that far, no signs of star formation or nuclear activity are visibl

Interacting galaxies NGC 454 - Interacting galaxies NGC 454 - NGC 454 is located about 164 million light years away from Earth in the southern constellation of Phenix. This pair of interacting galaxies consists of a large elliptical galaxy and an irregular galaxy. The fusion process between the two galaxies is still in its early stages and no sign of star formation caused by this interaction has been detected. Image obtained by the Hubble Space Telescope on 6 March 1997. NGC 454 is galaxy pair comprising a large red elliptical galaxy and an irregular gas - rich blue galaxy. The system is in the early stages of an interaction that has severely distorted both components. The three bright blue knots of very young stars to the left of the two main components are probably part of the irregular blue galaxy. Although the dust lanes that stretch all the way to the center of the elliptical galaxy suggest that gas has penetrated that far, no signs of star formation or nuclear activity are visibl

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Galaxies NGC 3718 and NGC 3729 in Ursa Major

Galaxies NGC 3718 and NGC 3729 in Ursa Major

Adam Block

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Markarian Galaxy 273 - Galaxy Markarian 273 - The Markarian galaxy 273 is about 500 million light years away from Earth in the constellation of the Great Bear. The presence of a 130,000-year-long maree tail suggests that Markarian 273 is the fusion of two galaxies. The collision caused a burst of star formations. This galaxy has a double core and is one of the brightest infrared galaxies. Image obtained by the Hubble Space Telescope on November 16, 2001. Markarian 273 shows an intricate central region and a striking tail that extends diagonally towards the bottom - right of the image. The tail is about 130 thousand light - years long and is strongly indicative of a merger between two galaxies. Markarian 273 has an intense region of starburst, where 60 solar masses of new stars are born each year. Near - infrared observations reveal a nucleus with two components. Markarian 273 is one of the most luminous galaxies when observed in the infrared, and is located 500 million light - years aw

Markarian Galaxy 273 - Galaxy Markarian 273 - The Markarian galaxy 273 is about 500 million light years away from Earth in the constellation of the Great Bear. The presence of a 130,000-year-long maree tail suggests that Markarian 273 is the fusion of two galaxies. The collision caused a burst of star formations. This galaxy has a double core and is one of the brightest infrared galaxies. Image obtained by the Hubble Space Telescope on November 16, 2001. Markarian 273 shows an intricate central region and a striking tail that extends diagonally towards the bottom - right of the image. The tail is about 130 thousand light - years long and is strongly indicative of a merger between two galaxies. Markarian 273 has an intense region of starburst, where 60 solar masses of new stars are born each year. Near - infrared observations reveal a nucleus with two components. Markarian 273 is one of the most luminous galaxies when observed in the infrared, and is located 500 million light - years aw

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Barree spiral galaxy NGC 2442 in Flying Fish - Barred spiral galaxy NGC 2442 in Volans - NGC 2442 is a barree spiral galaxy located about 50 million years ago - light. Its asymmetrical shape suggests that a galaxy interacts with it. Image obtained by the 2.2 meter MPG/ESO telescope at the La Silla Observatory. NGC 2442 is a barred spiral galaxy about 50 million light years away in the constellation Volans. This picture of the Meathook Galaxy (NGC 2442) was taken by the Wide Field Imager on the MPG/ESO 2.2 - metre telescope at La Silla, Chile. This view includes the whole galaxy and the surrounding sky, and clearly shows the asymmetric spiral arms. The longer of the two arms has intense star formation, which is visible here as a pink glow: this is due to the radiation of young stars ionising the gas they form from. The asymmetric shape and star formation are both thought to be caused by tidal disruptions from a near - miss with another galaxy at some point in its history

Barree spiral galaxy NGC 2442 in Flying Fish - Barred spiral galaxy NGC 2442 in Volans - NGC 2442 is a barree spiral galaxy located about 50 million years ago - light. Its asymmetrical shape suggests that a galaxy interacts with it. Image obtained by the 2.2 meter MPG/ESO telescope at the La Silla Observatory. NGC 2442 is a barred spiral galaxy about 50 million light years away in the constellation Volans. This picture of the Meathook Galaxy (NGC 2442) was taken by the Wide Field Imager on the MPG/ESO 2.2 - metre telescope at La Silla, Chile. This view includes the whole galaxy and the surrounding sky, and clearly shows the asymmetric spiral arms. The longer of the two arms has intense star formation, which is visible here as a pink glow: this is due to the radiation of young stars ionising the gas they form from. The asymmetric shape and star formation are both thought to be caused by tidal disruptions from a near - miss with another galaxy at some point in its history

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Spiral galaxy NGC 6744 in the constellation Peacock - Spiral galaxy NGC 6744 in Pavo - The galaxy NGC 6744 is about 25 million years away - light from Earth. Image obtained from the 3.9m telescope of Siding Spring, Australia. This beautiful galaxy is about 25 million light years away in the direction of Pavo, a constellation of the southern hemisphere winter. It sits in a rich starfield, and is strongly inclined to our line of sight. NGC 6744 is believed to one of the most Milky Way - like of all the nearby spirals, with fluffy (flocculent) spiral arms and a large and distinctly elongated nucleus. It also has other similarities to the Milky Way that are not visible here with at least one distorted companion galaxy superficially similar to one of the Magellanic Clouds

Spiral galaxy NGC 6744 in the constellation Peacock - Spiral galaxy NGC 6744 in Pavo - The galaxy NGC 6744 is about 25 million years away - light from Earth. Image obtained from the 3.9m telescope of Siding Spring, Australia. This beautiful galaxy is about 25 million light years away in the direction of Pavo, a constellation of the southern hemisphere winter. It sits in a rich starfield, and is strongly inclined to our line of sight. NGC 6744 is believed to one of the most Milky Way - like of all the nearby spirals, with fluffy (flocculent) spiral arms and a large and distinctly elongated nucleus. It also has other similarities to the Milky Way that are not visible here with at least one distorted companion galaxy superficially similar to one of the Magellanic Clouds

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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 NGC 4631 in Hunting Dogs - Spiral galaxy NGC 4631 in Canes Venatici - Spiral galaxy seen by the slice located at a distance of 30 million years - light. His small companion, the elliptical galaxy NGC 4627, is visible just above it. This huge edge - on galaxy has a small companion, an elliptical galaxy, NGC 4627, which seems to interact strongly with it

Galaxy NGC 4631 in Hunting Dogs - Spiral galaxy NGC 4631 in Canes Venatici - Spiral galaxy seen by the slice located at a distance of 30 million years - light. His small companion, the elliptical galaxy NGC 4627, is visible just above it. This huge edge - on galaxy has a small companion, an elliptical galaxy, NGC 4627, which seems to interact strongly with it

Adam Block

PIX4611719

Interacting galaxies NGC 6090 - Interacting galaxies NGC 6090 - The galaxy NGC 6090 is located about 400 million light years away from Earth in the constellation of the Dragon. This interacting galaxy consists of two spiral galaxies whose nuclei are distant from 10,000 light years. This system is halfway through its merger process. Image obtained by the Hubble Space Telescope on November 12, 2005. NGC 6090 is a beautiful pair of spiral galaxies with an overlapping central region and two long tidal tails formed from material ripped out of the galaxies by gravitational interaction. The two visible cores are approximately 10,000 light - years apart, suggesting that the two galaxies are at an intermediate stage in the merging process. The Hubble image reveals bright knots of newborn stars in the region where the two galaxies overlap. The right hand component has a clear spiral structure if viewed face - on, while the other is seen edge - on with no spiral arms visible. NGC 6090 is located

Interacting galaxies NGC 6090 - Interacting galaxies NGC 6090 - The galaxy NGC 6090 is located about 400 million light years away from Earth in the constellation of the Dragon. This interacting galaxy consists of two spiral galaxies whose nuclei are distant from 10,000 light years. This system is halfway through its merger process. Image obtained by the Hubble Space Telescope on November 12, 2005. NGC 6090 is a beautiful pair of spiral galaxies with an overlapping central region and two long tidal tails formed from material ripped out of the galaxies by gravitational interaction. The two visible cores are approximately 10,000 light - years apart, suggesting that the two galaxies are at an intermediate stage in the merging process. The Hubble image reveals bright knots of newborn stars in the region where the two galaxies overlap. The right hand component has a clear spiral structure if viewed face - on, while the other is seen edge - on with no spiral arms visible. NGC 6090 is located

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Galaxy NGC 4631 in Hunting Dogs - Spiral galaxy NGC 4631 in Canes Venatici - Spiral galaxy seen by the slice located at a distance of 30 million years - light. His small companion, the elliptical galaxy NGC 4627, is visible just above it. This huge edge - on galaxy has a small companion, an elliptical galaxy, NGC 4627, which seems to interact strongly with it

Galaxy NGC 4631 in Hunting Dogs - Spiral galaxy NGC 4631 in Canes Venatici - Spiral galaxy seen by the slice located at a distance of 30 million years - light. His small companion, the elliptical galaxy NGC 4627, is visible just above it. This huge edge - on galaxy has a small companion, an elliptical galaxy, NGC 4627, which seems to interact strongly with it

Jim Misti

PIX4611703

Galaxy NGC 4631 in Hunting Dogs - Spiral galaxy NGC 4631 in Canes Venatici - Spiral galaxy seen by the slice located at a distance of 30 million years - light. His small companion, the elliptical galaxy NGC 4627, is visible just above it. This huge edge - on galaxy has a small companion, an elliptical galaxy, NGC 4627, which seems to interact strongly with it

Galaxy NGC 4631 in Hunting Dogs - Spiral galaxy NGC 4631 in Canes Venatici - Spiral galaxy seen by the slice located at a distance of 30 million years - light. His small companion, the elliptical galaxy NGC 4627, is visible just above it. This huge edge - on galaxy has a small companion, an elliptical galaxy, NGC 4627, which seems to interact strongly with it

R. Jay GaBany

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Spiral Galaxy M51 in Hunting Dogs and Supernova - The Whirlpool Galaxy (M51) in Canes Venatici with SN 2005cs - The spiral galaxy M51 (NGC 5194) is located about 37 million years ago - light from Earth. This galaxy is double; two galaxies interact: the largest, NGC 5194, the smallest NGC 5195. On June 28, 2005 a supernova of type II appeared in M51; this supernova (SN 2005cs) is visible just under the nucleus, in the first arm. Image obtained with two telescopes of 50 cm and 30 cm, composite of several poses. The Whirlpool Galaxy lies approximately 31 million light years from earth. This spectacular galaxy is paired with a smaller, more distant companion whose matter is being disrupted by the larger spiral in a gravitational tug of war. Eventually, the shape of both will be altered over many more millions of years. On June 28, 2005, a new star was noticed in this galaxy. It was confirmed to be a bright supernova, one of the brightest in recent years and similar to the brightest superno

Spiral Galaxy M51 in Hunting Dogs and Supernova - The Whirlpool Galaxy (M51) in Canes Venatici with SN 2005cs - The spiral galaxy M51 (NGC 5194) is located about 37 million years ago - light from Earth. This galaxy is double; two galaxies interact: the largest, NGC 5194, the smallest NGC 5195. On June 28, 2005 a supernova of type II appeared in M51; this supernova (SN 2005cs) is visible just under the nucleus, in the first arm. Image obtained with two telescopes of 50 cm and 30 cm, composite of several poses. The Whirlpool Galaxy lies approximately 31 million light years from earth. This spectacular galaxy is paired with a smaller, more distant companion whose matter is being disrupted by the larger spiral in a gravitational tug of war. Eventually, the shape of both will be altered over many more millions of years. On June 28, 2005, a new star was noticed in this galaxy. It was confirmed to be a bright supernova, one of the brightest in recent years and similar to the brightest superno

R. Jay GaBany

PIX4612380

Group of Galaxies: Stephan Quintet in Pegase - This group of 5 galaxies is located about 260 million light years away from Earth. These galaxies are interacting, however the NGC 7320 galaxy (down in the middle) would be 8 times closer to us. This group of galaxies is located about 260 million light - years away in Pegasus constellation. They are gravitationally interacting with the exception of the interloper NGC 7320 (bottom center) which is a foreground galaxy. Image made with a 32 inches telescope

Group of Galaxies: Stephan Quintet in Pegase - This group of 5 galaxies is located about 260 million light years away from Earth. These galaxies are interacting, however the NGC 7320 galaxy (down in the middle) would be 8 times closer to us. This group of galaxies is located about 260 million light - years away in Pegasus constellation. They are gravitationally interacting with the exception of the interloper NGC 7320 (bottom center) which is a foreground galaxy. Image made with a 32 inches telescope

Adam Block

PIX4565503

Galaxies Group: Stephan's Quintet in Pegase - Stephan's Quintet group of galaxies - This group of 5 galaxies is located about 260 million years ago - light from Earth. These galaxies are interacting, however the NGC 7320 galaxy (down in the middle) would be 8 times closer to us. Image obtained with a telescope of 50 cm, cumulative poses of 40 hours. This group of galaxies is located about 260 million light - years away in Pegasus constellation. They are gravitationally interacting with the exception of the interloper NGC 7320 (bottom center) which is a foreground galaxy. Image made with a 20 inches telescope, total exposure 40 Hours

Galaxies Group: Stephan's Quintet in Pegase - Stephan's Quintet group of galaxies - This group of 5 galaxies is located about 260 million years ago - light from Earth. These galaxies are interacting, however the NGC 7320 galaxy (down in the middle) would be 8 times closer to us. Image obtained with a telescope of 50 cm, cumulative poses of 40 hours. This group of galaxies is located about 260 million light - years away in Pegasus constellation. They are gravitationally interacting with the exception of the interloper NGC 7320 (bottom center) which is a foreground galaxy. Image made with a 20 inches telescope, total exposure 40 Hours

R. Gendler

PIX4565481

Galaxies Group: Stephan's Quintet in Pegase - Stephan's Quintet group of galaxies - Image obtained with the Hubble space telescope. This group of 5 galaxies is located about 270 million light years away from Earth. In this image three star-forming regions are visible: in the long arm of NGC 7319 (near the center); the gas debris of two galaxies, NGC 7318B and NGC 7318A (upper right); and in the upper left. Blue indicates that these stars are young. This NASA/ESA Hubble Space Telescope image is a close - up view of the central part of Stephan's Quintet, giving a magnificent view of a gigantic cosmic collision. Stephan's Quintet, as its name implies, is a group of five galaxies (NGC7317, 7318A, 7318B, 7319 and 7320) and lies about 270 million light - years away in the constellation of Pegasus (North - west of the Great Square of Pegasus). A sixth galaxy (NGC 7320C) lies south - east of the other five (upper left - hand corner of the overview image). The galaxy group was the first of its

Galaxies Group: Stephan's Quintet in Pegase - Stephan's Quintet group of galaxies - Image obtained with the Hubble space telescope. This group of 5 galaxies is located about 270 million light years away from Earth. In this image three star-forming regions are visible: in the long arm of NGC 7319 (near the center); the gas debris of two galaxies, NGC 7318B and NGC 7318A (upper right); and in the upper left. Blue indicates that these stars are young. This NASA/ESA Hubble Space Telescope image is a close - up view of the central part of Stephan's Quintet, giving a magnificent view of a gigantic cosmic collision. Stephan's Quintet, as its name implies, is a group of five galaxies (NGC7317, 7318A, 7318B, 7319 and 7320) and lies about 270 million light - years away in the constellation of Pegasus (North - west of the Great Square of Pegasus). A sixth galaxy (NGC 7320C) lies south - east of the other five (upper left - hand corner of the overview image). The galaxy group was the first of its

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Interacting galaxies in the Austral Fish - Interacting galaxies in Piscis Austrinus - The galaxies NGC 7173 (middle left), NGC 7174 (middle right) and NGC 7176 (bottom right) photographed here by the Hubble Space Telescope (HST), belong to a cluster of galaxies called Hickson Compact Group 90 (HCG 90), located about 100 million years ago lights in the constellation of Southern Fish. NGC 7173 and NGC 7176 are two elliptical galaxies while NGC 7174 is a spiral galaxy deformed by the gravitational forces exerted by its neighbors. The three pictured galaxies - - NGC 7173 (middle left), NCG 7174 (middle right) and NGC 7176 (lower right) - - are part of the Hickson Compact Group 90, named after astronomer Paul Hickson, who first catalogued these small clusters of galaxies in the 1980s. NGC 7173 and NGC 7176 appear to be smooth, normal elliptical galaxies without much gas and dust. In stark contrast, NGC 7174 is a mangled spiral galaxy, barely clinging to independent existence as it is ripped

Interacting galaxies in the Austral Fish - Interacting galaxies in Piscis Austrinus - The galaxies NGC 7173 (middle left), NGC 7174 (middle right) and NGC 7176 (bottom right) photographed here by the Hubble Space Telescope (HST), belong to a cluster of galaxies called Hickson Compact Group 90 (HCG 90), located about 100 million years ago lights in the constellation of Southern Fish. NGC 7173 and NGC 7176 are two elliptical galaxies while NGC 7174 is a spiral galaxy deformed by the gravitational forces exerted by its neighbors. The three pictured galaxies - - NGC 7173 (middle left), NCG 7174 (middle right) and NGC 7176 (lower right) - - are part of the Hickson Compact Group 90, named after astronomer Paul Hickson, who first catalogued these small clusters of galaxies in the 1980s. NGC 7173 and NGC 7176 appear to be smooth, normal elliptical galaxies without much gas and dust. In stark contrast, NGC 7174 is a mangled spiral galaxy, barely clinging to independent existence as it is ripped

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Spiral Galaxy M100 in Berenice's Hair - Spiral galaxy M100 in Coma Berenices - The spiral galaxy M100 is located about 60 million years ago - light from Earth. It belongs to the Virgin's galaxy cluster. Several dwarf elliptic galaxies are visible in this image, one just above M100 probably interacting. This image was obtained by Siding Spring's 3.9m telescope. In this deep image fainter galaxies appear. One seems to be involved with the faint outskirts of the large spiral. The somewhat distorted shape of the dwarf galaxy suggests it could be both influencing and being influenced by M100, and may be the cause of the asymmetry in the spiral arms. Nearby is an even fainter, elongated dwarf galaxy and elsewhere in the picture are several others, all probably members of the Virgo cluster, which spills over into the adjoining constellation of Coma Berenices

Spiral Galaxy M100 in Berenice's Hair - Spiral galaxy M100 in Coma Berenices - The spiral galaxy M100 is located about 60 million years ago - light from Earth. It belongs to the Virgin's galaxy cluster. Several dwarf elliptic galaxies are visible in this image, one just above M100 probably interacting. This image was obtained by Siding Spring's 3.9m telescope. In this deep image fainter galaxies appear. One seems to be involved with the faint outskirts of the large spiral. The somewhat distorted shape of the dwarf galaxy suggests it could be both influencing and being influenced by M100, and may be the cause of the asymmetry in the spiral arms. Nearby is an even fainter, elongated dwarf galaxy and elsewhere in the picture are several others, all probably members of the Virgo cluster, which spills over into the adjoining constellation of Coma Berenices

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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 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

Barree spiral galaxy NGC 2442 in Flying Fish - Barred spiral galaxy NGC 2442 in Volans - NGC 2442 is a barree spiral galaxy located about 50 million years ago - light. Its asymmetrical shape suggests that a galaxy interacts with it. Mosaic of images obtained by the Hubble Space Telescope and the 2.2 m MPG/ESO telescope at the La Silla Observatory. NGC 2442 is a barred spiral galaxy about 50 million light years away in the constellation Volans. This close - up Hubble view of the Meathook Galaxy (NGC 2442) focuses on the more compact of its two asymmetric spiral arms as well as the central regions. The spiral arm was the location of a supernova that exploded in 1999. These observations were made in 2006 in order to study the aftermath of this supernova. Ground - based data from MPG/ESO 2.2 - metre telescope were used to fill out parts of the edges of this image

Barree spiral galaxy NGC 2442 in Flying Fish - Barred spiral galaxy NGC 2442 in Volans - NGC 2442 is a barree spiral galaxy located about 50 million years ago - light. Its asymmetrical shape suggests that a galaxy interacts with it. Mosaic of images obtained by the Hubble Space Telescope and the 2.2 m MPG/ESO telescope at the La Silla Observatory. NGC 2442 is a barred spiral galaxy about 50 million light years away in the constellation Volans. This close - up Hubble view of the Meathook Galaxy (NGC 2442) focuses on the more compact of its two asymmetric spiral arms as well as the central regions. The spiral arm was the location of a supernova that exploded in 1999. These observations were made in 2006 in order to study the aftermath of this supernova. Ground - based data from MPG/ESO 2.2 - metre telescope were used to fill out parts of the edges of this image

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

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

PIX4613873

Galaxy NGC 6670 in the Peacock - Galaxy NGC 6670 in Pavo - The galaxy NGC 6670, is about 400 million light years away from Earth in the southern constellation of Peacock. This system consists of two collision galaxies seen by the slice. Their nuclei are approximately 50,000 light years away. Image obtained by the Hubble Space Telescope on 30 October 2001. NGC 6670 is a gorgeous pair of overlapping edge - on galaxies. Scientists believe that NGC 6670 has already experienced at least one close encounter and is now in the early stages of a second. The nuclei of the two galaxies are approximately 50,000 light - years apart. NGC 6670 glows in the infrared with more than a hundred billion times the luminosity of our Sun and is thought to be entering a starburst phase. The pair is located some 400 million light - years away from Earth

Galaxy NGC 6670 in the Peacock - Galaxy NGC 6670 in Pavo - The galaxy NGC 6670, is about 400 million light years away from Earth in the southern constellation of Peacock. This system consists of two collision galaxies seen by the slice. Their nuclei are approximately 50,000 light years away. Image obtained by the Hubble Space Telescope on 30 October 2001. NGC 6670 is a gorgeous pair of overlapping edge - on galaxies. Scientists believe that NGC 6670 has already experienced at least one close encounter and is now in the early stages of a second. The nuclei of the two galaxies are approximately 50,000 light - years apart. NGC 6670 glows in the infrared with more than a hundred billion times the luminosity of our Sun and is thought to be entering a starburst phase. The pair is located some 400 million light - years away from Earth

PIX4612954

Spiral Galaxy M51 in Hunting Dogs - Spiral galaxy M51 in Canes Venatici - The spiral galaxy M51 (NGC 5194) is located about 31 million years ago - light from Earth. This galaxy is double; two galaxies interact: the largest, NGC 5194, the smallest NGC 5195. Image obtained by the Hubble Space Telescope in 2005. M51 (NGC 5194) is located 31 million light - years away in the constellation Canes Venatici (the Hunting Dogs). The Whirlpool's beautiful face - on view and closeness to Earth allow astronomers to study a classic spiral galaxy's structure and star - forming processes. This image of the Whirlpool Galaxy, taken in January 2005 with the Advanced Camera for Surveys aboard Nasa's Hubble Space Telescope, illustrates a spiral galaxy's grand design, from its curving spiral arms, where young stars reside, to its yellowish central core, a home of older stars. The galaxy is nicknamed the Whirlpool because of its swirling structure

Spiral Galaxy M51 in Hunting Dogs - Spiral galaxy M51 in Canes Venatici - The spiral galaxy M51 (NGC 5194) is located about 31 million years ago - light from Earth. This galaxy is double; two galaxies interact: the largest, NGC 5194, the smallest NGC 5195. Image obtained by the Hubble Space Telescope in 2005. M51 (NGC 5194) is located 31 million light - years away in the constellation Canes Venatici (the Hunting Dogs). The Whirlpool's beautiful face - on view and closeness to Earth allow astronomers to study a classic spiral galaxy's structure and star - forming processes. This image of the Whirlpool Galaxy, taken in January 2005 with the Advanced Camera for Surveys aboard Nasa's Hubble Space Telescope, illustrates a spiral galaxy's grand design, from its curving spiral arms, where young stars reside, to its yellowish central core, a home of older stars. The galaxy is nicknamed the Whirlpool because of its swirling structure

PIX4612337

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

Galaxy NGC 1232 in Eridan - Spiral galaxy NGC 1232 in Eridanus - Image of the large spiral galaxy NGC 1232 obtained by the VLT in September 1998. In the arms, many star-forming regions are visible, while in the center of the galaxy, older resident stars. Note the presence on the left of a dwarf galaxy. NGC 1232 is located about 100 million years ago - light. The field of this photo is about 200,000 years old - light, double our galaxy, the Lactee Way. NGC 1232 is located 20 degrees south of the celestial equator, in the constellation Eridanus (The River). The distance is about 100 million light - years. The edge of the field shown here corresponds to about 200,000 lightyears, or about twice the size of the Milky Way galaxy. This image of the large spiral galaxy NGC 1232 was obtained on September 21, 1998, by the FORS instrument at VLT. The colours of the different regions are well visible: the central areas contain older stars of reddish colour, while the spiral arms are populated by y

Galaxy NGC 1232 in Eridan - Spiral galaxy NGC 1232 in Eridanus - Image of the large spiral galaxy NGC 1232 obtained by the VLT in September 1998. In the arms, many star-forming regions are visible, while in the center of the galaxy, older resident stars. Note the presence on the left of a dwarf galaxy. NGC 1232 is located about 100 million years ago - light. The field of this photo is about 200,000 years old - light, double our galaxy, the Lactee Way. NGC 1232 is located 20 degrees south of the celestial equator, in the constellation Eridanus (The River). The distance is about 100 million light - years. The edge of the field shown here corresponds to about 200,000 lightyears, or about twice the size of the Milky Way galaxy. This image of the large spiral galaxy NGC 1232 was obtained on September 21, 1998, by the FORS instrument at VLT. The colours of the different regions are well visible: the central areas contain older stars of reddish colour, while the spiral arms are populated by y

PIX4609687

Interacting galaxies NGC 2936 and NGC 2937 - Interacting Galaxies NGC 2936 and NGC 2937 in Hydra - These two interacting galaxies also called Arp 142 are located approximately 326 million years ago - light from Earth in the constellation Hydra. NGC 2936 is a spiral galaxy, NGC 2937 is an elliptical galaxy. Above the torque, a blue galaxy UGC 5130, located closer to us is 230 million light years. Image obtained by the Hubble Space Telescope (HST). This interacting galaxy duo is collectively called Arp 142. The pair contains the disturbed, star - forming spiral galaxy NGC 2936, along with its elliptical companion, NGC 2937 at lower left. Once part of a flat, spiral disk, the orbits of the galaxy's stars have become scrambled due to gravitational tidal interactions with the other galaxy. This warps the galaxy's orderly spiral, and interstellar gas is strewn out into giant tails like stretched taffy. Gas and dust drawn from the heart of NGC 2936 becomes compressed during the encounter, whi

Interacting galaxies NGC 2936 and NGC 2937 - Interacting Galaxies NGC 2936 and NGC 2937 in Hydra - These two interacting galaxies also called Arp 142 are located approximately 326 million years ago - light from Earth in the constellation Hydra. NGC 2936 is a spiral galaxy, NGC 2937 is an elliptical galaxy. Above the torque, a blue galaxy UGC 5130, located closer to us is 230 million light years. Image obtained by the Hubble Space Telescope (HST). This interacting galaxy duo is collectively called Arp 142. The pair contains the disturbed, star - forming spiral galaxy NGC 2936, along with its elliptical companion, NGC 2937 at lower left. Once part of a flat, spiral disk, the orbits of the galaxy's stars have become scrambled due to gravitational tidal interactions with the other galaxy. This warps the galaxy's orderly spiral, and interstellar gas is strewn out into giant tails like stretched taffy. Gas and dust drawn from the heart of NGC 2936 becomes compressed during the encounter, whi

PIX4610249

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

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

Spiral galaxy M100 in Berenice's Hair - Spiral galaxy M100 in Coma Berenices - The spiral galaxy M100 (NGC 4321) is located about 60 million years ago - light from Earth. It belongs to the Virgin's galaxy cluster. Above the galaxy a dwarf elliptical galaxy, probably interacting with M100. This image was obtained by Siding Spring's 3.9m telescope. This dominant galaxy is the face - on spiral M100, one of the finest spirals in the Virgo cluster. As might be expected in a galaxy - rich environment, the lack of perfect symmetry in its brightest spiral arms suggests that M100 has been disturbed by gravitational interaction with its neighbours. At the top of the image is the first colour picture of a much less spectacular galaxy, a so - called 'nucleated dwarf' elliptical galaxy, probably interacting with M100. Dwarf galaxies are by far the commonest kind in rich clusters such as this, but nucleated examples are quite rare

Spiral galaxy M100 in Berenice's Hair - Spiral galaxy M100 in Coma Berenices - The spiral galaxy M100 (NGC 4321) is located about 60 million years ago - light from Earth. It belongs to the Virgin's galaxy cluster. Above the galaxy a dwarf elliptical galaxy, probably interacting with M100. This image was obtained by Siding Spring's 3.9m telescope. This dominant galaxy is the face - on spiral M100, one of the finest spirals in the Virgo cluster. As might be expected in a galaxy - rich environment, the lack of perfect symmetry in its brightest spiral arms suggests that M100 has been disturbed by gravitational interaction with its neighbours. At the top of the image is the first colour picture of a much less spectacular galaxy, a so - called 'nucleated dwarf' elliptical galaxy, probably interacting with M100. Dwarf galaxies are by far the commonest kind in rich clusters such as this, but nucleated examples are quite rare

PIX4611342

Galaxies Group: Stephan's Quintet in Pegase - Stephan's Quintet group of galaxies - Image obtained with the Hubble space telescope. This group of 5 galaxies is located about 270 million light years away from Earth. In this image three star-forming regions are visible: in the long arm of NGC 7319 (near the center); the gas debris of two galaxies, NGC 7318B and NGC 7318A (upper right); and in the upper left. Blue indicates that these stars are young. The NASA Hubble Space Telescope photo shows three regions of star birth: the long, sweeping tail and spiral arms of NGC 7319 [near center]; the gaseous debris of two galaxies, NGC 7318B and NGC 7318A [top right]; and the area north of those galaxies, dubbed the northern starburst region [top left]. The clusters' bluish color indicates that they're relatively young. Their ages span from about 2 million to more than 1 billion years old. The brilliant star clusters in NGC 7318B's spiral arm (about 30,000 light - years long) and the northern sta

Galaxies Group: Stephan's Quintet in Pegase - Stephan's Quintet group of galaxies - Image obtained with the Hubble space telescope. This group of 5 galaxies is located about 270 million light years away from Earth. In this image three star-forming regions are visible: in the long arm of NGC 7319 (near the center); the gas debris of two galaxies, NGC 7318B and NGC 7318A (upper right); and in the upper left. Blue indicates that these stars are young. The NASA Hubble Space Telescope photo shows three regions of star birth: the long, sweeping tail and spiral arms of NGC 7319 [near center]; the gaseous debris of two galaxies, NGC 7318B and NGC 7318A [top right]; and the area north of those galaxies, dubbed the northern starburst region [top left]. The clusters' bluish color indicates that they're relatively young. Their ages span from about 2 million to more than 1 billion years old. The brilliant star clusters in NGC 7318B's spiral arm (about 30,000 light - years long) and the northern sta

PIX4565466

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

Interacting galaxies Arp 297 - Interacting galaxies Arp 297 - Arp 297 is located about 200 million light years away from Earth in the constellation Bovier. This pair of interacting galaxies consists of a large spiral galaxy, NGC 5754, and a small spiral galaxy, NGC 5752, in the left center of the image. This interaction causes intense star flames within the small galaxy. Image obtained with a telescope of 80 cm. This beautiful pair of interacting galaxies consists of NGC 5754, the large spiral in the center, and NGC 5752, the smaller companion to the left center of the image. NGC 5754's internal structure has hardly been disturbed by the interaction. NGC 5754 is located in the constellation Bootes, the Herdsman, some 200 million light - years away. Image taken with a 32 - inch Schulman Telescope (RC Optical Systems)

Interacting galaxies Arp 297 - Interacting galaxies Arp 297 - Arp 297 is located about 200 million light years away from Earth in the constellation Bovier. This pair of interacting galaxies consists of a large spiral galaxy, NGC 5754, and a small spiral galaxy, NGC 5752, in the left center of the image. This interaction causes intense star flames within the small galaxy. Image obtained with a telescope of 80 cm. This beautiful pair of interacting galaxies consists of NGC 5754, the large spiral in the center, and NGC 5752, the smaller companion to the left center of the image. NGC 5754's internal structure has hardly been disturbed by the interaction. NGC 5754 is located in the constellation Bootes, the Herdsman, some 200 million light - years away. Image taken with a 32 - inch Schulman Telescope (RC Optical Systems)

Adam Block

PIX4612796

Center of the spiral galaxy M51 in Hunting Dogs - Spiral galaxy M51 in Canes Venatici - The spiral galaxy M51 (NGC 5194) is located about 31 million years away - light from Earth. This galaxy is double; two galaxies interact: the largest, NGC 5194, the smallest NGC 5195. This image obtained by the Hubble Space Telescope in 2005 shows the central region of NGC 5194 showing the star-forming zones in red. This image of the cenral area of M51 was taken with the Hubble space telescope in 2005. Located in the constellation of Canes Venatici, the “” hunting dogs””, M51 consists of the large spiral galaxy NGC 5194 and its smaller companion NGC 5195 (out of field). The reddish areas are nebulae in the galaxy in which stars are rapidly forming. M51 is approximately 31 million light years away and over 65,000 light years in diameter

Center of the spiral galaxy M51 in Hunting Dogs - Spiral galaxy M51 in Canes Venatici - The spiral galaxy M51 (NGC 5194) is located about 31 million years away - light from Earth. This galaxy is double; two galaxies interact: the largest, NGC 5194, the smallest NGC 5195. This image obtained by the Hubble Space Telescope in 2005 shows the central region of NGC 5194 showing the star-forming zones in red. This image of the cenral area of M51 was taken with the Hubble space telescope in 2005. Located in the constellation of Canes Venatici, the “” hunting dogs””, M51 consists of the large spiral galaxy NGC 5194 and its smaller companion NGC 5195 (out of field). The reddish areas are nebulae in the galaxy in which stars are rapidly forming. M51 is approximately 31 million light years away and over 65,000 light years in diameter

PIX4612403

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

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

Interacting galaxies UGC 8058 - Interacting galaxies UGC 8058 - The galaxy UGC 8058 (Markarian 231) is located about 600 million light years away from Earth in the constellation Big Bear. This interacting galaxy houses a quasar in its center. It is one of the brightest ultra-bright infrared galaxy known to date. It has a central black hole and intense star formations are observed. Image obtained by the Hubble Space Telescope on May 10, 2002. The extraordinary galaxy UGC 8058, also known as Markarian 231, was discovered in 1969 as part of a survey searching for galaxies with strong ultraviolet radiation. It has long tidal tails and a disturbed shape. Results from the first spectrum showed clear signs of the presence of a powerful quasar in the center that made Markarian 231 unique in the Markarian sample. Markarian 231 has maintained its reputation as an exceptional object since those early observations and continues to be a favorite target in all wavelength regimes. Its infrared lumino

Interacting galaxies UGC 8058 - Interacting galaxies UGC 8058 - The galaxy UGC 8058 (Markarian 231) is located about 600 million light years away from Earth in the constellation Big Bear. This interacting galaxy houses a quasar in its center. It is one of the brightest ultra-bright infrared galaxy known to date. It has a central black hole and intense star formations are observed. Image obtained by the Hubble Space Telescope on May 10, 2002. The extraordinary galaxy UGC 8058, also known as Markarian 231, was discovered in 1969 as part of a survey searching for galaxies with strong ultraviolet radiation. It has long tidal tails and a disturbed shape. Results from the first spectrum showed clear signs of the presence of a powerful quasar in the center that made Markarian 231 unique in the Markarian sample. Markarian 231 has maintained its reputation as an exceptional object since those early observations and continues to be a favorite target in all wavelength regimes. Its infrared lumino

PIX4613687

Galaxy of Hunting Dogs (M51) seen in X - The Whirlpool Galaxy seen in X - ray - The spiral galaxy M51 (NGC 5194) is located about 31 million years ago - light from Earth. This galaxy is double; two galaxies interact: the largest, NGC 5194, the smallest NGC 5195. X-ray image obtained by the Chandra space telescope on June 20, 2000. The Whirlpool Galaxy lies approximately 31 million light years from earth. This spectacular galaxy is paired with a smaller, more distant companion whose matter is being disrupted by the larger spiral in a gravitational tug of war. Eventually, the shape of both will be altered over many more millions of years. Image taken in X - ray by the Chandra space telescope on June 20, 2000

Galaxy of Hunting Dogs (M51) seen in X - The Whirlpool Galaxy seen in X - ray - The spiral galaxy M51 (NGC 5194) is located about 31 million years ago - light from Earth. This galaxy is double; two galaxies interact: the largest, NGC 5194, the smallest NGC 5195. X-ray image obtained by the Chandra space telescope on June 20, 2000. The Whirlpool Galaxy lies approximately 31 million light years from earth. This spectacular galaxy is paired with a smaller, more distant companion whose matter is being disrupted by the larger spiral in a gravitational tug of war. Eventually, the shape of both will be altered over many more millions of years. Image taken in X - ray by the Chandra space telescope on June 20, 2000

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Seyfert's Sextet Group of Galaxies in the Snake - Seyfert's Sextet group of galaxies - This group of interacting galaxies resides approximately 190 million years ago - light in the constellation of the Snake and extends over 100,000 years - light. The small spiral galaxy seen from the front does not belong to this group. The small face - on spiral with the prominent arms [center] of gas and stars is a background galaxy almost five times farther away than the other four. Only a chance alignment makes it appear as if it is part of the group. The sixth member of the sextet isn't a galaxy at all but a long “” tidal tail””” of stars [below, right] torn from one of the galaxies. The group resides 190 million light - years away in the constellation Serpens. This densely packed grouping spans just 100,000 light - years, occupying less volume than the Milky Way galaxy. Each galaxy is about 35,000 light - years wide. Three of the galaxies [the elliptical galaxy, second from top, and the two spir

Seyfert's Sextet Group of Galaxies in the Snake - Seyfert's Sextet group of galaxies - This group of interacting galaxies resides approximately 190 million years ago - light in the constellation of the Snake and extends over 100,000 years - light. The small spiral galaxy seen from the front does not belong to this group. The small face - on spiral with the prominent arms [center] of gas and stars is a background galaxy almost five times farther away than the other four. Only a chance alignment makes it appear as if it is part of the group. The sixth member of the sextet isn't a galaxy at all but a long “” tidal tail””” of stars [below, right] torn from one of the galaxies. The group resides 190 million light - years away in the constellation Serpens. This densely packed grouping spans just 100,000 light - years, occupying less volume than the Milky Way galaxy. Each galaxy is about 35,000 light - years wide. Three of the galaxies [the elliptical galaxy, second from top, and the two spir

PIX4565516

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

Group of Galaxies: Stephan Quintet in Pegase - This group of 5 galaxies is located about 260 million light years away from Earth. These galaxies are interacting, however the NGC 7320 galaxy (down in the middle) would be 8 times closer to us. Composite image obtained with different telescopes. This group of galaxies is located about 260 million light - years away in Pegasus constellation. They are gravitationally interacting with the exception of the interloper NGC 7320 (bottom center) which is a foreground galaxy. Composite Image from Multiple Data Sources

Group of Galaxies: Stephan Quintet in Pegase - This group of 5 galaxies is located about 260 million light years away from Earth. These galaxies are interacting, however the NGC 7320 galaxy (down in the middle) would be 8 times closer to us. Composite image obtained with different telescopes. This group of galaxies is located about 260 million light - years away in Pegasus constellation. They are gravitationally interacting with the exception of the interloper NGC 7320 (bottom center) which is a foreground galaxy. Composite Image from Multiple Data Sources

PIX4565506

Galaxies Group: Stephan Quintet in Pegase - Stephan's Quintet group of galaxies - Image obtained with the northern Gemini telescope. This group of five galaxies is located about 300 million light years away from Earth. However the galaxy NGC 7320 (top in the center) would be 8 times closer to us. It contains numerous hydrogen clouds in which stars form. Stephan's Quintet is located 300 million light years away. The galaxies shapes are warped by gravitational interactions occurring over millions of years. The ongoing dance deformed their structures while spawning a prolific fireworks display of star formation fueled by clouds of hydrogen gas that were shocked into clumps to form stellar nurseries. Image made with Gemini North telescope

Galaxies Group: Stephan Quintet in Pegase - Stephan's Quintet group of galaxies - Image obtained with the northern Gemini telescope. This group of five galaxies is located about 300 million light years away from Earth. However the galaxy NGC 7320 (top in the center) would be 8 times closer to us. It contains numerous hydrogen clouds in which stars form. Stephan's Quintet is located 300 million light years away. The galaxies shapes are warped by gravitational interactions occurring over millions of years. The ongoing dance deformed their structures while spawning a prolific fireworks display of star formation fueled by clouds of hydrogen gas that were shocked into clumps to form stellar nurseries. Image made with Gemini North telescope

PIX4565453

Barree spiral galaxy NGC 1097 - NGC 1097, a barred spiral galaxy and elliptical companion - Located at a distance of about 45 million years - light in the constellation of the Furnneau, NGC 1097 is subject to intense star formation and is an active nucleus 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 Siding Spring's 3.9m telescope. NGC 1097 is a fine, barred spiral galaxy seen from a distance of about 50 million light years. The galaxy is unusual in several respects. It is a fairly strong radio source and is also bright at far infrared wavelenghts, indicating the presence of warm dust. The galaxy is also interacting woth a small elliptical galaxy, seen in the upper right (NW) corner of the picture. This galaxy shows the subtle interleaved 'shells' or stepped changes in brightness resulting from the interaction. Finally, the galaxy is k

Barree spiral galaxy NGC 1097 - NGC 1097, a barred spiral galaxy and elliptical companion - Located at a distance of about 45 million years - light in the constellation of the Furnneau, NGC 1097 is subject to intense star formation and is an active nucleus 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 Siding Spring's 3.9m telescope. NGC 1097 is a fine, barred spiral galaxy seen from a distance of about 50 million light years. The galaxy is unusual in several respects. It is a fairly strong radio source and is also bright at far infrared wavelenghts, indicating the presence of warm dust. The galaxy is also interacting woth a small elliptical galaxy, seen in the upper right (NW) corner of the picture. This galaxy shows the subtle interleaved 'shells' or stepped changes in brightness resulting from the interaction. Finally, the galaxy is k

PIX4609643

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

Colliding galaxy Ngc 6745 in Lyra - Colliding galaxy NGC 6745 in Lyra - The spiral galaxy NGC 6745 is located about 206 million years away - light from Earth. This galaxy is double; a second galaxy at the bottom right of the image collides with it, causing star formation. Image obtained by the Hubble Space Telescope in 1996. A large spiral galaxy, with its nucleus still intact, peers at the smaller passing galaxy (almost out of the field of view at lower right). These galaxies did not merely interact gravitationally as they passed one another, they actually collided. When galaxies collide, the stars that normally comprise the major portion of the luminous mass of each of the two galaxies will almost never collide with each other but will pass rather freely between each other with little damage. This occurs because the physical size of individual stars is tiny compared to their typical separations, making the chance of physical encounter relatively small. In our own Milky Way galaxy, th

Colliding galaxy Ngc 6745 in Lyra - Colliding galaxy NGC 6745 in Lyra - The spiral galaxy NGC 6745 is located about 206 million years away - light from Earth. This galaxy is double; a second galaxy at the bottom right of the image collides with it, causing star formation. Image obtained by the Hubble Space Telescope in 1996. A large spiral galaxy, with its nucleus still intact, peers at the smaller passing galaxy (almost out of the field of view at lower right). These galaxies did not merely interact gravitationally as they passed one another, they actually collided. When galaxies collide, the stars that normally comprise the major portion of the luminous mass of each of the two galaxies will almost never collide with each other but will pass rather freely between each other with little damage. This occurs because the physical size of individual stars is tiny compared to their typical separations, making the chance of physical encounter relatively small. In our own Milky Way galaxy, th

PIX4612985

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

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

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

PIX4609655

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

Galaxies NGC 5078 and IC 879 in Hydra - Galaxies NGC 5078 and IC 879 in Hydra - NGC 5078 is a spiral galaxy located about 95 million years ago - light. A small galaxy, IC 879, at the bottom of the picture, is probably interacting with it. Image made with Siding Spring's 3.9m telescope. NGC 5078 is a lenticular (lens - shaped) galaxy crossed by a distinct dusty band which is seen against the bright background of the galaxy itself. The dust lane is warped and broadened, probably by interaction with the faint companion galaxy IC 879, which is itself distorted into an 'S' shape by the interaction. The slightly bluish colour of parts of the fainter galaxy is suggestive of star formation, probably triggered by the interaction. Encounters between galaxies such as this are common, and often lead to them merging into a single entity. It is likely that the dust lane of NGC 5078 is the remnant of a dusty spiral which fell into it long ago. The galaxies are about 80 million light years distant

Galaxies NGC 5078 and IC 879 in Hydra - Galaxies NGC 5078 and IC 879 in Hydra - NGC 5078 is a spiral galaxy located about 95 million years ago - light. A small galaxy, IC 879, at the bottom of the picture, is probably interacting with it. Image made with Siding Spring's 3.9m telescope. NGC 5078 is a lenticular (lens - shaped) galaxy crossed by a distinct dusty band which is seen against the bright background of the galaxy itself. The dust lane is warped and broadened, probably by interaction with the faint companion galaxy IC 879, which is itself distorted into an 'S' shape by the interaction. The slightly bluish colour of parts of the fainter galaxy is suggestive of star formation, probably triggered by the interaction. Encounters between galaxies such as this are common, and often lead to them merging into a single entity. It is likely that the dust lane of NGC 5078 is the remnant of a dusty spiral which fell into it long ago. The galaxies are about 80 million light years distant

PIX4612223

Galaxy of Hunting Dogs - M51 visible and infrared - Spiral galaxy M51 in Canes Venatici. Visible - Infrared - The spiral galaxy M51 (NGC 5194) is about 31 million light years away from Earth. This galaxy is double; two galaxies interact: the largest, NGC 5194, the smallest NGC 5195. Images obtained on the left by Kitt Peak's 2.1 m telescope, on the right by the Spitzer space telescope. Located in the constellation of Canes Venatici, the “” hunting dogs””, M51 consists of the large spiral galaxy NGC 5194 and its smaller companion NGC 5195. M51 is approximately 31 million light years away and over 65,000 light years in diameter. At left the galaxy seen in visible, at right, seen in infrared with the Spitzer space telescope

Galaxy of Hunting Dogs - M51 visible and infrared - Spiral galaxy M51 in Canes Venatici. Visible - Infrared - The spiral galaxy M51 (NGC 5194) is about 31 million light years away from Earth. This galaxy is double; two galaxies interact: the largest, NGC 5194, the smallest NGC 5195. Images obtained on the left by Kitt Peak's 2.1 m telescope, on the right by the Spitzer space telescope. Located in the constellation of Canes Venatici, the “” hunting dogs””, M51 consists of the large spiral galaxy NGC 5194 and its smaller companion NGC 5195. M51 is approximately 31 million light years away and over 65,000 light years in diameter. At left the galaxy seen in visible, at right, seen in infrared with the Spitzer space telescope

PIX4612360

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action. Massive star formations are resulting of a recent collision between two galaxies (100 million years ago). This galaxy is located 45 million light year from us

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action. Massive star formations are resulting of a recent collision between two galaxies (100 million years ago). This galaxy is located 45 million light year from us

Jim Misti

PIX4611081

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light from Earth. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action, as seen here. The colour picture reveals the burst of star formation triggered by the encounter, the large numbers of pink emission nebulae in the inter - galaxy region and the location of the numerous dark, brownish - yellow clouds of dust

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light from Earth. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action, as seen here. The colour picture reveals the burst of star formation triggered by the encounter, the large numbers of pink emission nebulae in the inter - galaxy region and the location of the numerous dark, brownish - yellow clouds of dust

Adam Block

PIX4611108

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 63 million years ago - light. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action. Massive star formations are resulting of a recent collision between two galaxies (100 million years ago). This galaxy is located 63 million light year from us

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 63 million years ago - light. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action. Massive star formations are resulting of a recent collision between two galaxies (100 million years ago). This galaxy is located 63 million light year from us

R. Gendler

PIX4611087

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light from Earth. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action, as seen here. The colour picture reveals the burst of star formation triggered by the encounter, the large numbers of pink emission nebulae in the inter - galaxy region and the location of the numerous dark, brownish - yellow clouds of dust. The yellow nuclei of the two galaxies are also still visible in the colour picture as separate entities

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light from Earth. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action, as seen here. The colour picture reveals the burst of star formation triggered by the encounter, the large numbers of pink emission nebulae in the inter - galaxy region and the location of the numerous dark, brownish - yellow clouds of dust. The yellow nuclei of the two galaxies are also still visible in the colour picture as separate entities

PIX4611114

Interacting galaxies Arp 297 - Interacting galaxies Arp 297 - Arp 297 is located about 200 million light years away from Earth in the constellation Bovier. This pair of interacting galaxies consists of a large spiral galaxy, NGC 5754, and a small spiral galaxy, NGC 5752, at the bottom of the image. This interaction causes intense star flames within the small galaxy. Image obtained by the Hubble Space Telescope on March 14, 1999. This beautiful pair of interacting galaxies consists of NGC 5754, the large spiral on the right, and NGC 5752, the smaller companion in the bottom left corner of the image. NGC 5754's internal structure has hardly been disturbed by the interaction. The outer structure does exhibit tidal features, as does the symmetry of the inner spiral pattern and the kinked arms just beyond its inner ring. In contrast, NGC 5752 has undergone a starburst episode, with a rich population of massive and luminous star clusters clumping around the core and intertwined with intricat

Interacting galaxies Arp 297 - Interacting galaxies Arp 297 - Arp 297 is located about 200 million light years away from Earth in the constellation Bovier. This pair of interacting galaxies consists of a large spiral galaxy, NGC 5754, and a small spiral galaxy, NGC 5752, at the bottom of the image. This interaction causes intense star flames within the small galaxy. Image obtained by the Hubble Space Telescope on March 14, 1999. This beautiful pair of interacting galaxies consists of NGC 5754, the large spiral on the right, and NGC 5752, the smaller companion in the bottom left corner of the image. NGC 5754's internal structure has hardly been disturbed by the interaction. The outer structure does exhibit tidal features, as does the symmetry of the inner spiral pattern and the kinked arms just beyond its inner ring. In contrast, NGC 5752 has undergone a starburst episode, with a rich population of massive and luminous star clusters clumping around the core and intertwined with intricat

PIX4612781

Galaxies Group: Stephan's Quintet in Pegase - Stephan's Quintet group of galaxies - This group of 5 galaxies is located about 260 million years ago - light from Earth. These galaxies interact, however NGC 7320 (upper left) would be 7 times closer to us. Composite image obtained in visible light and infrared by the Hubble space telescope in August 2009. This portrait of Stephan's Quintet, also known as the Hickson Compact Group 92, was taken by the new Wide Field Camera 3 (WFC3) aboard the NASA/ESA Hubble Space Telescope. Stephan's Quintet, as the name implies, is a group of five galaxies. The name, however, is a bit of a misnomer. Studies have shown that group member NGC 7320, at upper left, is actually a foreground galaxy that is about seven times closer to Earth than the rest of the group. Three of the galaxies have distorted shapes, elongated spiral arms, and long, gaseous tidal tails containing myriad star clusters, proof of their close encounters. These interactions have sparked a

Galaxies Group: Stephan's Quintet in Pegase - Stephan's Quintet group of galaxies - This group of 5 galaxies is located about 260 million years ago - light from Earth. These galaxies interact, however NGC 7320 (upper left) would be 7 times closer to us. Composite image obtained in visible light and infrared by the Hubble space telescope in August 2009. This portrait of Stephan's Quintet, also known as the Hickson Compact Group 92, was taken by the new Wide Field Camera 3 (WFC3) aboard the NASA/ESA Hubble Space Telescope. Stephan's Quintet, as the name implies, is a group of five galaxies. The name, however, is a bit of a misnomer. Studies have shown that group member NGC 7320, at upper left, is actually a foreground galaxy that is about seven times closer to Earth than the rest of the group. Three of the galaxies have distorted shapes, elongated spiral arms, and long, gaseous tidal tails containing myriad star clusters, proof of their close encounters. These interactions have sparked a

PIX4565504

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