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These names of stars that have either been approved by the International Astronomical Union or which have been in somewhat recent use. IAU approval comes mostly from its Working Group on Star Names, which has been publishing a "List of IAU-approved Star Names" since 2016. As of April 2022, the list included a total of 451 proper names of stars.
The Milky Way [c] is the galaxy that includes the Solar System, with the name describing the galaxy's appearance from Earth: a hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye.
Nearest galaxy to the Milky Way Sagittarius Dwarf Spheroidal Galaxy: 1994 0.070 Mly The closest, undisputed galaxy. The disputed dwarf galaxy Canis Major Overdensity is even closer at 25,000 light-years. Nearest dwarf galaxy Sagittarius Dwarf Spheroidal Galaxy: 1994 0.070 Mly Nearest major galaxy to the Milky Way Andromeda Galaxy: always 2.54 Mly
List of nearest galaxies. This is a list of known galaxies within 3.8 megaparsecs (12.4 million light-years) of the Solar System, in ascending order of heliocentric distance, or the distance to the Sun. This encompasses about 50 major Local Group galaxies, and some that are members of neighboring galaxy groups, the M81 Group and the Centaurus A ...
The Bright Star Catalogue, which is a star catalogue listing all stars of apparent magnitude 6.5 or brighter, or roughly every star visible to the naked eye from Earth, contains 9,096 stars. The most voluminous modern catalogues list on the order of a billion stars, out of an estimated total of 200 to 400 billion in the Milky Way .
Name Age (billions of years) Mass (M ☉)Distance ()Location Notes BD+17°3248: 13.8 ± 4 ~0.8 968 Milky Way halo: High uncertainty in age: 2MASS J18082002−5104378
List of the largest known stars in the Milky Way Star name Solar radii (Sun = 1) Method Notes Orbit of Saturn: 2,047 – 2,049.9: Reported for reference: WOH G64 (For comparison) 1,540 ± 77: L/T eff: Located in the Large Magellanic Cloud. Possibly the largest known star. Theoretical limit of star size (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.. There are 61 small galaxies confirmed to be within 420 kiloparsecs (1.4 million light-years) of the Milky Way, but not all of them are necessarily in orbit, and some may themselves be in orbit of other satellite galaxies.