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Local Group

Index Local Group

The Local Group is the galaxy group that includes the Milky Way. [1]

145 relations: Andromeda (constellation), Andromeda Galaxy, Andromeda I, Andromeda II, Andromeda III, Andromeda IV, Andromeda IX, Andromeda V, Andromeda VIII, Andromeda X, Andromeda XI, Andromeda XIX, Andromeda XXI, Andromeda XXII, Antlia, Antlia Dwarf, Aquarius (constellation), Aquarius Dwarf, Aries (constellation), Astronomical Society of the Pacific, Astronomy & Astrophysics, Barycenter, Boötes, Boötes I (dwarf galaxy), Boötes II (dwarf galaxy), Boötes III (dwarf galaxy), Cambridge University Press, Camelopardalis, Canes Venatici, Canes Venatici I (dwarf galaxy), Canes Venatici II (dwarf galaxy), Canis Major, Canis Major Overdensity, Capricornus, Carina (constellation), Carina Dwarf Spheroidal Galaxy, Cassiopeia (constellation), Cassiopeia Dwarf, Cetus, Cetus Dwarf, Coma Berenices, Coma Berenices (dwarf galaxy), Dorado, Draco (constellation), Draco Dwarf, Dwarf elliptical galaxy, Dwarf galaxy, Dwarf spheroidal galaxy, Edwin Hubble, Elliptical galaxy, ..., Eridanus (constellation), Eridanus II, Fornax, Fornax Dwarf, Galaxy cluster, Galaxy group, Globular cluster, GR 8, Grus (constellation), Hercules, Hercules (dwarf galaxy), Horologium (constellation), HVC 127-41-330, Hydra (constellation), IC 10, IC 1613, IC 342, IC 342/Maffei Group, IC 5152, Indus (constellation), Indus River, Irregular galaxy, KKs 3, Laniakea Supercluster, Large Magellanic Cloud, Leo (constellation), Leo A, Leo I (dwarf galaxy), Leo II (dwarf galaxy), Leo IV (dwarf galaxy), Leo T (dwarf galaxy), Leo V (dwarf galaxy), List of Andromeda's satellite galaxies, List of galaxy groups and clusters, List of nearest galaxies, Messier 110, Messier 32, Milky Way, Monoceros Ring, NASA, NGC 147, NGC 1560, NGC 1569, NGC 185, NGC 3109, NGC 404, NGC 55, NGC 6822, Observable universe, Palomar 12, Palomar 4, Pegasus (constellation), Pegasus Dwarf Irregular Galaxy, Pegasus Dwarf Spheroidal Galaxy, Phoenix (constellation), Phoenix Dwarf, Pictor, Pisces (constellation), Pisces Dwarf, Pisces II (dwarf galaxy), Reticulum, Reticulum II, Sagittarius (constellation), Sagittarius Dwarf Irregular Galaxy, Sagittarius Dwarf Spheroidal Galaxy, Satellite galaxies of the Milky Way, Sculptor (constellation), Sculptor Dwarf Galaxy, Sculpture, Segue 2, Sextans, Sextans A, Sextans B, Sextans Dwarf Spheroidal, Small Magellanic Cloud, Smith's Cloud, Spiral galaxy, Stellar kinematics, The Astronomical Journal, Triangulum, Triangulum Galaxy, Tucana, Tucana Dwarf, UGCA 86, Ursa Major, Ursa Major I Dwarf, Ursa Major II Dwarf, Ursa Minor, Ursa Minor Dwarf, Virgo (constellation), Virgo Stellar Stream, Virgo Supercluster, Willman 1, Wolf–Lundmark–Melotte, Yale University Press. Expand index (95 more) »

Andromeda (constellation)

Andromeda is one of the 48 constellations listed by the 2nd-century Greco-Roman astronomer Ptolemy and remains one of the 88 modern constellations.

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Andromeda Galaxy

The Andromeda Galaxy, also known as Messier 31, M31, or NGC 224, is a spiral galaxy approximately 780 kiloparsecs (2.5 million light-years) from Earth, and the nearest major galaxy to the Milky Way.

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Andromeda I

Andromeda I is a dwarf spheroidal galaxy(dSph) about 2.40 million light-years away in the constellation Andromeda.

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Andromeda II

Andromeda II (And II) is a dwarf spheroidal galaxy about 2.22 Mly away in the constellation Andromeda.

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Andromeda III

Andromeda III is a dwarf spheroidal galaxy about 2.44 million light-years away in the constellation Andromeda.

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Andromeda IV

Andromeda IV (And IV) is an isolated irregular dwarf galaxy.

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Andromeda IX

Andromeda IX (And 9) is a dwarf spheroidal satellite of the Andromeda Galaxy.

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Andromeda V

Andromeda V is a dwarf spheroidal galaxy about 2.52 Mly away in the constellation Andromeda.

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Andromeda VIII

Andromeda VIII (And VIII / 8) is a galaxy discovered in August 2003.

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Andromeda X

Andromeda X (And 10) is a dwarf spheroidal galaxy about 2.9 million light-years away from the Sun in the constellation Andromeda.

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Andromeda XI

Andromeda XI (And 11) is a dwarf spheroidal galaxy about 2.6 million light-years away from the Sun in the constellation Andromeda.

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Andromeda XIX

Andromeda XIX is a satellite galaxy of the Andromeda Galaxy (M31), a member of the Local Group, like the Milky Way Galaxy.

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Andromeda XXI

Andromeda XXI (And 21, And XXI) is a moderately bright dwarf spheroidal galaxy about away from the Sun in the constellation Andromeda.

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Andromeda XXII

Andromeda XXII (Pisces VI, Triangulum I) is a low surface brightness dwarf spheroidal galaxy about away from the Sun in the constellation Pisces, of the Local Group.

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Antlia

Antlia (from Ancient Greek ἀντλία) is a constellation in the Southern Celestial Hemisphere.

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Antlia Dwarf

The Antlia Dwarf is a dwarf spheroidal/irregular galaxy.

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Aquarius (constellation)

Aquarius is a constellation of the zodiac, situated between Capricornus and Pisces.

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Aquarius Dwarf

The Aquarius Dwarf is a dwarf irregular galaxy, first catalogued in 1959 by the DDO survey.

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Aries (constellation)

Aries is one of the constellations of the zodiac.

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Astronomical Society of the Pacific

The Astronomical Society of the Pacific (ASP) is an American scientific and educational organization, founded in San Francisco on February 7, 1889.

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Astronomy & Astrophysics

Astronomy & Astrophysics is a peer-reviewed scientific journal covering theoretical, observational, and instrumental astronomy and astrophysics.

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Barycenter

The barycenter (or barycentre; from the Ancient Greek βαρύς heavy + κέντρον centre) is the center of mass of two or more bodies that are orbiting each other, which is the point around which they both orbit.

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Boötes

Boötes is a constellation in the northern sky, located between 0° and +60° declination, and 13 and 16 hours of right ascension on the celestial sphere.

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Boötes I (dwarf galaxy)

The Boötes Dwarf Galaxy (Boo I dSph) is a galaxy, which appears faint, with a luminosity of and an absolute magnitude of –5.8.

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Boötes II (dwarf galaxy)

Bootes II or Boo II is a dwarf spheroidal galaxy situated in the Bootes constellation and discovered in 2007 in the data obtained by Sloan Digital Sky Survey.

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Boötes III (dwarf galaxy)

Boötes III is an overdensity in the Milky Way's halo, which may be a disrupted dwarf spheroidal galaxy.

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Cambridge University Press

Cambridge University Press (CUP) is the publishing business of the University of Cambridge.

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Camelopardalis

Camelopardalis is a large but obscure constellation of the northern sky representing a giraffe.

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Canes Venatici

Canes Venatici is one of the 88 official modern constellations.

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Canes Venatici I (dwarf galaxy)

Canes Venatici I or CVn I is a dwarf spheroidal galaxy situated in the Canes Venatici constellation and discovered in 2006 in the data obtained by Sloan Digital Sky Survey.

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Canes Venatici II (dwarf galaxy)

Canes Venatici II or CVn II is a dwarf spheroidal galaxy situated in the Canes Venatici constellation and discovered in 2006 in the data obtained by Sloan Digital Sky Survey.

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Canis Major

Canis Major is a constellation in the southern celestial hemisphere.

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Canis Major Overdensity

The Canis Major Dwarf Galaxy (CMa Dwarf) or Canis Major Overdensity (CMa Overdensity) is a disputed dwarf irregular galaxy in the Local Group, located in the same part of the sky as the constellation Canis Major.

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Capricornus

Capricornus is one of the constellations of the zodiac.

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Carina (constellation)

Carina is a constellation in the southern sky.

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Carina Dwarf Spheroidal Galaxy

The Carina Dwarf Spheroidal Galaxy is a dwarf galaxy in the Carina constellation.

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Cassiopeia (constellation)

Cassiopeia is a constellation in the northern sky, named after the vain queen Cassiopeia in Greek mythology, who boasted about her unrivalled beauty.

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Cassiopeia Dwarf

The Cassiopeia Dwarf (also known as Andromeda VII) is a dwarf spheroidal galaxy about 2.58 Mly away in the constellation Cassiopeia.

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Cetus

Cetus is a constellation.

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Cetus Dwarf

Cetus Dwarf is a dwarf spheroidal galaxy.

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Coma Berenices

Coma Berenices is an ancient asterism in the northern sky which has been defined as one of the 88 modern constellations.

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Coma Berenices (dwarf galaxy)

Coma Berenices or Com is a dwarf spheroidal galaxy situated in the Coma Berenices constellation and discovered in 2006 in data obtained by the Sloan Digital Sky Survey.

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Dorado

Dorado (English pronunciation) is a constellation in the southern sky.

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Draco (constellation)

Draco is a constellation in the far northern sky.

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Draco Dwarf

The Draco Dwarf is a spheroidal galaxy which was discovered by Albert George Wilson of Lowell Observatory in 1954 on photographic plates of the National Geographic Society's Palomar Observatory Sky Survey (POSS).

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Dwarf elliptical galaxy

Dwarf elliptical galaxies, or dEs, are elliptical galaxies that are smaller than ordinary elliptical galaxies.

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Dwarf galaxy

A dwarf galaxy is a small galaxy composed of about 100 million up to several billion stars, a small number compared to the Milky Way's 200–400 billion stars.

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Dwarf spheroidal galaxy

A dwarf spheroidal galaxy (dSph) is a term in astronomy applied to small, low-luminosity galaxies with very little dust and an older stellar population.

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Edwin Hubble

Edwin Powell Hubble (November 20, 1889 – September 28, 1953) was an American astronomer.

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Elliptical galaxy

An elliptical galaxy is a type of galaxy having an approximately ellipsoidal shape and a smooth, nearly featureless image.

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Eridanus (constellation)

Eridanus is a constellation in the southern hemisphere.

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Eridanus II

The Eridanus II Dwarf is a low-surface brightness dwarf galaxy in the constellation Eridanus.

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Fornax

Fornax is a constellation in the southern sky, partly ringed by the celestial river Eridanus.

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Fornax Dwarf

The Fornax Dwarf Spheroidal is an elliptical dwarf galaxy in the constellation Fornax that was discovered in 1938 by Harlow Shapley.

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Galaxy cluster

A galaxy cluster, or cluster of galaxies, is a structure that consists of anywhere from hundreds to thousands of galaxies that are bound together by gravity with typical masses ranging from 1014–1015 solar masses.

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Galaxy group

A galaxy group or group of galaxies (GrG) is an aggregation of galaxies comprising about 50 or fewer gravitationally bound members, each at least as luminous as the Milky Way (about 1010 times the luminosity of the Sun); collections of galaxies larger than groups that are first-order clustering are called galaxy clusters.

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Globular cluster

A globular cluster is a spherical collection of stars that orbits a galactic core as a satellite.

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GR 8

GR 8 (also known as UGC 8091) is a gas-rich dwarf irregular galaxy.

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Grus (constellation)

Grus (or colloquially) is a constellation in the southern sky.

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Hercules

Hercules is a Roman hero and god.

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Hercules (dwarf galaxy)

Hercules, or Her, is a dwarf spheroidal galaxy situated in the Hercules constellation and discovered in 2006 in data obtained by the Sloan Digital Sky Survey.

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Horologium (constellation)

Horologium is a faint constellation in the southern sky.

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HVC 127-41-330

HVC 127-41-330 is a high-velocity cloud.

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Hydra (constellation)

Hydra is the largest of the 88 modern constellations, measuring 1303 square degrees.

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IC 10

IC 10 is an irregular galaxy in the constellation Cassiopeia.

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IC 1613

IC 1613 (also known as Caldwell 51) is an irregular dwarf galaxy, visible in the constellation Cetus near the star 26 Ceti.

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IC 342

IC 342 (also known as Caldwell 5) is an intermediate spiral galaxy in the constellation Camelopardalis relatively close to the Milky Way.

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IC 342/Maffei Group

The IC 342/Maffei Group (also known as the IC 342 Group or the Maffei 1 Group) is the nearest group of galaxies to the Local Group.

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IC 5152

IC 5152 is an irregular galaxy 5.8 million light-years from Earth in the constellation Indus.

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Indus (constellation)

Indus is a constellation in the southern sky created in the late sixteenth century.

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Indus River

The Indus River (also called the Sindhū) is one of the longest rivers in Asia.

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Irregular galaxy

An irregular galaxy is a galaxy that does not have a distinct regular shape, unlike a spiral or an elliptical galaxy.

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KKs 3

KKs 3 is a dwarf galaxy in the Local Cluster.

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Laniakea Supercluster

The Laniakea Supercluster (Laniakea; also called Local Supercluster or Local SCl or sometimes Lenakaeia) is the galaxy supercluster that is home to the Milky Way and approximately 100,000 other nearby galaxies.

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Large Magellanic Cloud

The Large Magellanic Cloud (LMC) is a satellite galaxy of the Milky Way.

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Leo (constellation)

Leo is one of the constellations of the zodiac, lying between Cancer the crab to the west and Virgo the maiden to the east.

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Leo A

Leo A (also known as Leo III) is an irregular galaxy that is part of the Local Group.

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Leo I (dwarf galaxy)

Leo I is a dwarf spheroidal galaxy in the constellation Leo.

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Leo II (dwarf galaxy)

Leo II (or Leo B) is a dwarf spheroidal galaxy about 690,000 light-years away in the constellation Leo.

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Leo IV (dwarf galaxy)

Leo IV is a dwarf spheroidal galaxy situated in the Leo constellation, discovered in 2006 in the data obtained by the Sloan Digital Sky Survey.

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Leo T (dwarf galaxy)

Leo T is a dwarf galaxy situated in the Leo constellation and discovered in 2006 in the data obtained by Sloan Digital Sky Survey.

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Leo V (dwarf galaxy)

Leo V is a dwarf spheroidal galaxy situated in the Leo constellation and discovered in 2007 in the data obtained by the Sloan Digital Sky Survey.

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List of Andromeda's satellite galaxies

The Andromeda Galaxy (M31) has satellite galaxies just like the Milky Way.

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List of galaxy groups and clusters

This page lists some galaxy groups and galaxy clusters.

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List of nearest galaxies

This is a list of known galaxies within 3.59 megaparsecs (11.7 million light-years) of the Solar System, in ascending order of distance.

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Messier 110

Messier 110, also known as NGC 205, is a dwarf elliptical galaxy that is a satellite of the Andromeda Galaxy.

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Messier 32

Messier 32 (also known as NGC 221) is a dwarf "early-type" galaxy located about 2.65 million light-years from Earth, appearing in the constellation Andromeda.

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Milky Way

The Milky Way is the galaxy that contains our Solar System.

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Monoceros Ring

The Monoceros Ring is a long, complex, ringlike filament of stars that wraps around the Milky Way three times.

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NASA

The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.

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NGC 147

NGC 147 (also known as DDO3 or Caldwell 17) is a dwarf spheroidal galaxy about 2.58 Mly away in the constellation Cassiopeia.

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NGC 1560

NGC 1560, also known as IC 2062, is an 11th-magnitude spiral galaxy, in the IC 342/Maffei Group.

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NGC 1569

The NGC 1569 is a dwarf irregular galaxy in Camelopardalis.

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NGC 185

NGC 185 (also known as Caldwell 18) is a dwarf spheroidal galaxy located 2.08 million light-years from Earth, appearing in the constellation Cassiopeia.

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NGC 3109

NGC 3109 is a small barred Magellanic type spiral or irregular galaxy around 4.2 Mly away in the direction of the constellation of Hydra.

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NGC 404

NGC 404 is a field galaxy located about 10 million light years away in the constellation Andromeda.

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NGC 55

NGC 55, also occasionally referred to as The Whale Galaxy, is a Magellanic type barred spiral galaxy located about 7 million light-years away in the constellation Sculptor.

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NGC 6822

NGC 6822 (also known as Barnard's Galaxy, IC 4895, or Caldwell 57) is a barred irregular galaxy approximately 1.6 million light-years away in the constellation Sagittarius.

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Observable universe

The observable universe is a spherical region of the Universe comprising all matter that can be observed from Earth at the present time, because electromagnetic radiation from these objects has had time to reach Earth since the beginning of the cosmological expansion.

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Palomar 12

Palomar 12 is a globular cluster in the constellation Capricornus.

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Palomar 4

Palomar 4 is a globular cluster of the Milky Way galaxy.

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Pegasus (constellation)

Pegasus is a constellation in the northern sky, named after the winged horse Pegasus in Greek mythology.

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Pegasus Dwarf Irregular Galaxy

The Pegasus Dwarf Irregular Galaxy (also known as Peg DIG or the Pegasus Dwarf) is a dwarf irregular galaxy in the direction of the constellation Pegasus.

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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.

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Phoenix (constellation)

Phoenix is a minor constellation in the southern sky.

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Phoenix Dwarf

The Phoenix Dwarf is a dwarf irregular galaxy discovered in 1976 by Hans-Emil Schuster and Richard Martin West and mistaken for a globular cluster.

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Pictor

Pictor is a constellation in the Southern Celestial Hemisphere, located between the star Canopus and the Large Magellanic Cloud.

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Pisces (constellation)

Pisces is a constellation of the zodiac.

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Pisces Dwarf

Pisces Dwarf is an irregular dwarf galaxy that is part of the Local Group.

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Pisces II (dwarf galaxy)

Pisces II (Psc II) is a dwarf spheroidal galaxy situated in the Pisces constellation and discovered in 2010 in the data obtained by the Sloan Digital Sky Survey.

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Reticulum

Reticulum is a small, faint constellation in the southern sky.

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Reticulum II

Reticulum II (or Reticulum 2) is an old dwarf galaxy in the Local Group.

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Sagittarius (constellation)

Sagittarius is one of the constellations of the zodiac.

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Sagittarius Dwarf Irregular Galaxy

The Sagittarius Dwarf Irregular Galaxy or SagDIG is a dwarf galaxy in the constellation of Sagittarius.

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Sagittarius Dwarf Spheroidal Galaxy

The Sagittarius Dwarf Spheroidal Galaxy (Sgr dSph), also known as the Sagittarius Dwarf Elliptical Galaxy (Sgr dE or Sag DEG), is an elliptical loop-shaped satellite galaxy of the Milky Way.

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Satellite galaxies of the Milky Way

The Milky Way has several smaller galaxies gravitationally bound to it, as part of the Milky Way subgroup, which is part of the local galaxy cluster, the Local Group.

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Sculptor (constellation)

Sculptor is a small and faint constellation in the southern sky.

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Sculptor Dwarf Galaxy

The Sculptor Dwarf Galaxy (also known as Sculptor Dwarf Elliptical Galaxy or the Sculptor Dwarf Spheroidal Galaxy) is a dwarf spheroidal galaxy that is a satellite of the Milky Way.

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Sculpture

Sculpture is the branch of the visual arts that operates in three dimensions.

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Segue 2

Segue 2 is a dwarf spheroidal galaxy situated in the constellation Aries and discovered in 2009 in the data obtained by Sloan Digital Sky Survey.

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Sextans

Sextans is a minor equatorial constellation which was introduced in 1687 by Johannes Hevelius.

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Sextans A

Sextans A (also known as UGCA 205) is a tiny dwarf irregular galaxy.

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Sextans B

Sextans B (also known as UGC 5373 and DDO 70) is an irregular galaxy that may be part of the Local Group, or lie just beyond it.

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Sextans Dwarf Spheroidal

The Sextans Dwarf Spheroidal is a dwarf spheroidal galaxy that was discovered in 1990 by Mike Irwin as the 8th satellite of the Milky Way, located in the constellation of Sextans.

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Small Magellanic Cloud

The Small Magellanic Cloud (SMC), or Nubecula Minor, is a dwarf galaxy near the Milky Way.

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Smith's Cloud

Smith's Cloud is a high-velocity cloud of hydrogen gas located in the constellation Aquila at Galactic coordinates l.

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Spiral galaxy

Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work The Realm of the Nebulae(pp. 124–151) and, as such, form part of the Hubble sequence.

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Stellar kinematics

In astronomy, stellar kinematics is the observational study or measurement of the kinematics or motions of stars through space.

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The Astronomical Journal

The Astronomical Journal (often abbreviated AJ in scientific papers and references) is a peer-reviewed monthly scientific journal owned by the American Astronomical Society and currently published by IOP Publishing.

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Triangulum

Triangulum is a small constellation in the northern sky.

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Triangulum Galaxy

The Triangulum Galaxy is a spiral galaxy approximately 3 million light-years (ly) from Earth in the constellation Triangulum.

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Tucana

Tucana is a constellation of stars in the southern sky, named after the toucan, a South American bird.

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Tucana Dwarf

The Tucana Dwarf Galaxy is a dwarf galaxy in the constellation Tucana.

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UGCA 86

UGCA 86 is a Magellanic spiral galaxy.

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Ursa Major

Ursa Major (also known as the Great Bear) is a constellation in the northern sky, whose associated mythology likely dates back into prehistory.

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Ursa Major I Dwarf

Ursa Major I Dwarf (UMa I dSph) is a dwarf spheroidal galaxy orbiting the Milky Way galaxy.

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Ursa Major II Dwarf

Ursa Major II Dwarf (UMa II dSph) is a dwarf spheroidal galaxy situated in the Ursa Major constellation and discovered in 2006 in the data obtained by the Sloan Digital Sky Survey.

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Ursa Minor

Ursa Minor (Latin: "Lesser Bear", contrasting with Ursa Major), also known as the Little Bear, is a constellation in the Northern Sky.

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Ursa Minor Dwarf

The Ursa Minor Dwarf is a dwarf spheroidal galaxy, discovered by A.G. Wilson of the Lowell Observatory, in the United States, during the Palomar Sky Survey in 1955.

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Virgo (constellation)

Virgo is one of the constellations of the zodiac.

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Virgo Stellar Stream

The Virgo Stellar Stream, also known as Virgo Overdensity, is the proposed name for a stellar stream in the constellation of Virgo which was discovered in 2005.

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Virgo Supercluster

The Virgo Supercluster (Virgo SC) or the Local Supercluster (LSC or LS) is a mass concentration of galaxies containing the Virgo Cluster and Local Group, which in turn contains the Milky Way and Andromeda galaxies.

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Willman 1

Willman 1 is an ultra low-luminosity dwarf galaxy or a star cluster.

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Wolf–Lundmark–Melotte

The Wolf–Lundmark–Melotte (WLM) is an irregular galaxy discovered in 1909 by Max Wolf, located on the outer edges of the Local Group.

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Yale University Press

Yale University Press is a university press associated with Yale University.

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Redirects here:

Andromeda Cluster, Andromeda Galactic Group, Andromeda Group, List of Local Group galaxies, Local Cluster, Local Galactic Group, Local Galaxy Group, Local cluster, Local galaxies group, Local group of galaxies, Milkomeda Cluster, Milkomeda Galactic Group, Milkomeda Group, The Local Group, The Local Group of Galaxies.

References

[1] https://en.wikipedia.org/wiki/Local_Group

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