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441 Galaxy topics matching:
Filter this Collection| x name | x image | x article |
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| x Large Magellanic Cloud |
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The Large Magellanic Cloud (LMC) is a nearby irregular galaxy, once thought to be a satellite of our own. At a distance of slightly less than 50 kiloparsecs (≈160,000 light-years), the LMC is the third closest galaxy to the Milky Way, with the...
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| x Andromeda Galaxy |
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The Andromeda Galaxy (pronounced /ænˈdrɒmədə/, also known as Messier 31, M31, or NGC 224; often referred to as the Great Andromeda Nebula in older texts) is a spiral galaxy approximately 2,500,000 light-years (1.58×10 AU) away in the constellation...
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| x Hoag's Object |
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Hoag's Object is a non-typical galaxy of the type known as a ring galaxy. The appearance of this object has interested amateur astronomers as much as its uncommon structure has fascinated professionals. The galaxy is named after Arthur Allen Hoag...
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| x Messier 100 |
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Messier 100 (also known as NGC 4321) is a spiral galaxy about 52.5 million light-years away in the constellation Coma Berenices. It was discovered by Pierre Méchain in 1781. It is one of the brightest galaxies in the Virgo cluster. Five supernovae...
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| x Small Magellanic Cloud |
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The Small Magellanic Cloud (SMC) is a dwarf galaxy. It has a diameter of about 7,000 light-years. and contains several hundred million stars.
Some speculate that the SMC was once a barred spiral galaxy that was disrupted by the Milky Way to become...
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| x NGC 6240 |
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NGC 6240 is a well-studied nearby ultraluminous infrared galaxy (ULIRG) in the constellation Ophiuchus. The galaxy is the remnant of a merger between two smaller galaxies. The collision between the two progenitor galaxies has resulted in a single...
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| x Messier 82 |
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Messier 82 (also known as NGC 3034 or the Cigar Galaxy) is the prototype nearby starburst galaxy about 12 million light-years away in the constellation Ursa Major. The starburst galaxy is five times as bright as the whole Milky Way and one hundred...
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| x Southern Pinwheel Galaxy |
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Messier 83 (also known as the Southern Pinwheel Galaxy, M83 or NGC 5236) is an intermediate spiral galaxy approximately 15 million light-years away in the constellation Hydra. It is one of the closest and brightest barred spiral galaxies in the sky,...
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| x Pinwheel Galaxy |
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The Pinwheel Galaxy (also known as Messier 101 or NGC 5457) is a face-on spiral galaxy about 27 million light-years away in the constellation Ursa Major.
It was discovered by Pierre Méchain on March 27, 1781, and he subsequently communicated his...
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| x IC 10 |
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IC 10 is an irregular galaxy in the constellation Cassiopeia. It was discovered by Lewis Swift in 1887. Nicholas U. Mayall was the first to suggest that the object is extragalactic in 1935. Edwin Hubble suspected it might belong to the Local Group...
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| x Sagittarius Dwarf Elliptical Galaxy |
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The Sagittarius Dwarf Elliptical Galaxy (SagDEG) is an elliptical loop-shaped satellite galaxy of the Milky Way Galaxy. The main cluster which, in 1994, was the first to be discovered, is roughly 10,000 light-years in diameter, and is currently...
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| x NGC 4631 |
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NGC 4631 is an edge-on spiral galaxy in the constellation Canes Venatici. This galaxy's slightly distorted wedge shape gives it the appearance of a herring or whale, which is why it is infrequently referred to as the Whale Galaxy. Because this...
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| x 3C279 |
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3C 279 is a optically violent variable quasar. It was the first quasar in which superluminal motion was detected.
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| x Galaxy RXJ1242-11 |
RXJ1242-11 is a galaxy located approximately 200 megaparsecs (about 650 million light-years) from Earth. According to current interpretations of X-ray observations made by the Chandra X-ray Observatory and XMM-Newton, the centre of this galaxy is a...
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| x Centaurus A |
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Centaurus A (also known as NGC 5128) is a lenticular galaxy about 14 million light-years away in the constellation Centaurus. It is one of the closest radio galaxies to Earth, so its active galactic nucleus has been extensively studied by...
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| x NGC 55 |
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NGC 55 is a barred irregular galaxy located about 7 million light-years away in the constellation Sculptor.
NGC 55 and the spiral galaxy NGC 300 have traditionally been identified as members of the Sculptor Group, a nearby group of galaxies in the...
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| x NGC 300 |
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NGC 300 is a spiral galaxy in the constellation Sculptor. It is the brightest of the five main spirals in the direction of the sculptor group. It is inclined at an angle of 42° when viewed from earth and shares many characteristics of the Triangulum...
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| x Dwingeloo 2 |
Dwingeloo 2 is a small irregular galaxy, located almost 10 million light-years away from the Earth. Dwingeloo 2 orbits Dwingeloo 1, much like NGC 5195 orbits the Whirlpool Galaxy (M51).
Dwingeloo 2 was first detected at radio wavelengths from the 21...
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| x Dwingeloo 1 |
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Dwingeloo 1 is a barred spiral galaxy about 9 million light-years away from the Earth, in the constellation Cassiopeia. Dwingeloo lies in the Zone of Avoidance and is heavily obscured by the Milky Way. Dwingeloo 1 has a small satellite galaxy, known...
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| x Galaxy Abell 1835 IR1916 |
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Abell 1835 IR1916 (also known as Abell 1835, Galaxy Abell 1835, or Galaxy Abell 1835 IR1916) was a candidate for being the most distant galaxy ever observed. It was claimed to lie behind the galaxy cluster Abell 1835, in the Virgo constellation. It...
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| x Whirlpool Galaxy |
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The Whirlpool Galaxy (also known as Messier 51a, M51a, or NGC 5194) is an interacting grand-design spiral galaxy located at a distance of approximately 23 million light-years in the constellation Canes Venatici. It is one of the most famous galaxies...
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| x Pegasus Dwarf Spheroidal Galaxy |
The Pegasus Dwarf Spheroidal (also known as Andromeda VI or Peg dSph for short) is a dwarf spheroidal galaxy about 2.7 million light-years away in the constellation Pegasus. The Pegasus Dwarf is a member of the Local group of galaxies and a...
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| x Pegasus Dwarf Irregular Galaxy |
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The Pegasus Dwarf Irregular Galaxy (also known as Peg DIG or the Pegasus Dwarf) is an irregular galaxy and a dwarf galaxy in the direction of the constellation Pegasus. It was discovered by A.G. Wilson in the 1950s. The Pegasus Dwarf is a companion...
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| x NGC 404 |
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NGC 404 is a small galaxy visible in amateur telescopes near the star Mirach in the constellation Andromeda. It was discovered by William Herschel in 1784.
The galaxy is a small lenticular galaxy. It is located around 10,300,000 light-years away,...
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| x NGC 5866 |
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NGC 5866 (also called the Spindle Galaxy) is a relatively bright lenticular galaxy in the constellation Draco. Some astronomers believe that the NGC 5866 may be a candidate for Messier 102. NGC 5866 was probably discovered by Pierre Méchain or...
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| x Messier 32 |
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Messier 32 (also known as NGC 221 and Le Gentil) is a dwarf elliptical galaxy about 2.65 million light-years away in the constellation Andromeda. M32 is a satellite galaxy of the famous Andromeda Galaxy (M31) and was discovered by Le Gentil in 1749....
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| x Sunflower Galaxy |
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The Sunflower Galaxy (also known as Messier 63, M63, or NGC 5055) is an unbarred spiral galaxy in the Canes Venatici constellation. It is a flocculent spiral galaxy, consisting of a central disc surrounded by many short spiral arm segments. The...
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| x Messier 60 |
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Messier 60 (also known as NGC 4649) is an elliptical galaxy approximately 55 million light-years away in the constellation Virgo.
Messier 60 and the nearby galaxy Messier 59 were both discovered by Johann Gottfried Koehler in April 1779 during...
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| x Messier 59 |
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Messier 59 (also known as M59 or NGC 4621) is an elliptical galaxy in the constellation Virgo.
Messier 59 and the nearby elliptical galaxy Messier 60 were both discovered by Johann Gottfried Koehler in April 1779 during observations of a comet in...
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| x Messier 58 |
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Messier 58 (also known as M58 and NGC 4579) is a barred spiral galaxy located approximately 68 million light-years away in the constellation Virgo. It was discovered by Charles Messier in 1779. M58 is one of the brightest galaxies in the Virgo...
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| x Messier 74 |
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Messier 74 (also known as NGC 628) is a face-on spiral galaxy in the constellation Pisces. The galaxy contains two clearly-defined spiral arms and is therefore used as an archetypal example of a Grand Design Spiral Galaxy. The galaxy's low surface...
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| x Messier 66 |
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Messier 66 (also known as NGC 3627) is an intermediate spiral galaxy about 36 million light-years away in the constellation Leo. It was discovered by Charles Messier in 1780. M66 is about 95 thousand light-years across with striking dust lanes and...
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| x NGC 3628 |
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NGC 3628 is an unbarred spiral galaxy about 35 million light-years away in the constellation Leo. It was discovered by William Herschel in 1784. It has an approximately 300,000 light-years long tidal tail. NGC 3628 along with M65 and M66 form the...
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| x NGC 3115 |
NGC 3115 (also called the Spindle Galaxy) is a lenticular (S0) galaxy in the constellation Sextans. The galaxy was discovered by William Herschel on February 22, 1787. At about 32 million light-years away from us it is several times bigger than our...
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| x Leo I |
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Leo I is a dwarf spheroidal galaxy in the constellation Leo. At about 820,000 light-years distant, it is a member of the Local Group of galaxies and is thought to be one of the most distant satellites of the Milky Way galaxy. It was discovered in...
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| x Messier 95 |
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Messier 95 (also known as M95 or NGC 3351) is a barred spiral galaxy about 33 million light-years away in the constellation Leo. It was discovered by Pierre Méchain in 1781, and catalogued by Charles Messier four days later.
The center of the galaxy...
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| x Messier 91 |
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Messier 91 (also known as NGC 4548) is a barred spiral galaxy about 63 million light-years away in the constellation Coma Berenices. It was most probably discovered by Charles Messier in 1781 and independently rediscovered by William Herschel on...
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| x Messier 86 |
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Messier 86 (also known as M86 or NGC 4406) is a lenticular galaxy in the constellation Virgo. It was discovered by Charles Messier in 1781. M86 lies in the heart of the Virgo Cluster of galaxies and forms a most conspicuous group with another giant,...
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| x Messier 85 |
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Messier 85 (also known as M85 or NGC 4382) is a lenticular galaxy (type S0) in the Coma Berenices constellation. It is 60 million light years away, making it the 94th most distant Messier object, and it estimated to be 125,000 light years across.
It...
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| x Messier 84 |
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Messier 84 (also known as M84 or NGC 4374) is a lenticular galaxy in the constellation Virgo. M84 is situated in the heavily populated inner core of the Virgo Cluster of galaxies.
Radio observations and images of the Hubble Space Telescope of M84...
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| x NGC 2403 |
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NGC 2403 is an intermediate spiral galaxy in the constellation Camelopardalis. It has a H II nucleus. It was discovered by William Herschel in 1788. NGC 2403 is an outlying member of the M81 Group, and is approximately 8 million light-years distant....
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| x Messier 77 |
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Messier 77 (also known as NGC 1068) is a barred spiral galaxy about 47 million light-years away in the constellation Cetus. Messier 77 is an active galaxy with an Active Galactic Nucleus (AGN), which is obscured from view by astronomical dust at...
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| x Messier 108 |
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Messier 108 (also known as NGC 3556) is a barred spiral galaxy in the constellation Ursa Major. It was discovered by Pierre Méchain in 1781 or 1782. From the perspective of the Earth, this galaxy is seen almost edge-on.
This galaxy is an isolated...
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| x Messier 106 |
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Messier 106 (also known as NGC 4258) is a spiral galaxy in the constellation Canes Venatici. It was discovered by Pierre Méchain in 1781. M106 is at a distance of about 22 to 25 million light-years away from Earth. It is also a Seyfert II galaxy,...
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| x Messier 105 |
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Messier 105 (also known as M105 and NGC 3379) is an elliptical galaxy in the constellation Leo. Messier 105 is known to have a supermassive black hole.
Messier 105 was discovered by Pierre Méchain on 24 March 1781, just a few days after he...
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| x Messier 99 |
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Messier 99 (also known as M99 or NGC 4254) is an unbarred spiral galaxy approximately 60 million light-years away in the constellation Coma Berenices.
The galaxy has a normal looking arm and an extended arm that is less tightly wound. A bridge of...
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| x Messier 98 |
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Messier 98 (also known as M98 or NGC 4192) is an intermediate spiral galaxy about 60 million light-years away in the constellation Coma Berenices. It was discovered by Pierre Méchain on March 15, 1781 along with M99 and M100 and was cataloged as a...
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| x Messier 96 |
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Messier 96 (also known as NGC 3368) is an intermediate spiral galaxy about 31 million light-years away in the constellation Leo. It was discovered by Pierre Méchain in 1781.
M96 is the brightest galaxy within the M96 Group, a group of galaxies in...
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| x Circinus Galaxy |
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The Circinus Galaxy (ESO 97-G13) is a Seyfert Galaxy in the Circinus constellation. It is only 4 degrees below the Galactic plane, and 13 million light-years away. The galaxy is undergoing tumultuous changes, as rings of gas are being ejected from...
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| x ESO 269-57 |
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ESO 269-57 (also known as LEDA 45683) is a barred spiral galaxy approximately 155 million light-years away in the constellation Centaurus. It is a member of a well-known cluster of galaxies seen in this direction. The galaxy received this...
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| x NGC 3982 |
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NGC 3982 is an intermediate spiral galaxy located about 68 million light-years away in the constellation Ursa Major. It was discovered by William Herschel on April 14, 1789.
A supernova, SN 1998aq, was seen in the galaxy.
NGC 3982 is a member of the...
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| x Sculptor Galaxy |
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The Sculptor Galaxy (NGC 253) is an intermediate spiral galaxy in the constellation Sculptor. The Sculptor Galaxy is a starburst galaxy, which means that it is currently undergoing a period of intense star formation.
The galaxy was discovered by...
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| x NGC 6946 |
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NGC 6946, also known as the "Fireworks Galaxy", is an intermediate spiral galaxy about 10 million light-years away, on the border between the constellations Cepheus and Cygnus. It was discovered by William Herschel on September 9, 1798. NGC 6946 is...
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| x NGC 3184 |
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NGC 3184 is a spiral galaxy approximately 25 million light-years away in the constellation Ursa Major. It has two HII region named NGC 3180 and NGC 3181.
NGC 3184 is notable for its high abundance of heavy elements and a supernova (SN 1999gi) that...
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| x NGC 5195 |
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NGC 5195 (also known as Messier 51b or M51b) is a dwarf galaxy that is interacting with the Whirlpool Galaxy (also known as M51a or NGC 5194). Both galaxies are located approximately 25 million light-years away in the constellation Canes Venatici....
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| x NGC 5078 |
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NGC 5078 is a spiral galaxy in the Hydra constellation. It is similar in structure to NGC 5746. NGC 5078 is at an estimated 94 million light-years away from Earth.
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| x NGC 3 |
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NGC 3 is a lenticular galaxy in the Pisces constellation.
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| x NGC 2 |
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NGC 2 is a spiral galaxy in the constellation Pegasus. It lies slightly to the south of NGC 1. It is a faint spiral galaxy of apparent magnitude 14.2.
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| x NGC 1 |
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NGC 1 is a spiral galaxy located 190 million light-years away in the constellation Pegasus. At about 90,000 light-years in diameter, it is just a little smaller than our galaxy, the Milky Way. It is the first object listed in the New General...
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| x NGC 185 |
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NGC 185 is a dwarf spheroidal galaxy about 2.08 million light-years away in the constellation Cassiopeia. NGC 185 is a satellite galaxy of the Andromeda Galaxy (M31) and was discovered by William Herschel on November 30, 1787. Unlike most dwarf...
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