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Andromeda Galaxy: 1923–1924: In 1923, Edwin Hubble measured the distance to Andromeda, and settled the question of whether or not there were galaxies, or if everything was in the Milky Way. Small Magellanic Cloud: 1913–1923: This was the first intergalactic distance measured. In 1913, Ejnar Hertzsprung measures the distance to SMC using ...
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/M83 Group , and some ...
The Andromeda Galaxy is a barred spiral galaxy and is the nearest major galaxy to the Milky Way. It was originally named the Andromeda Nebula and is cataloged as Messier 31 , M31 , and NGC 224 . Andromeda has a D 25 isophotal diameter of about 46.56 kiloparsecs (152,000 light-years ) [ 8 ] and is approximately 765 kpc (2.5 million light-years ...
Andromeda Galaxy's satellites are listed here by discovery (orbital distance is not known). Andromeda IV is not included in the list, as it was discovered to be roughly 10 times further than Andromeda from the Milky Way in 2014, and therefore a completely unrelated galaxy.
Host galaxy Star system Stars in system Spectral type Apparent magnitude (V) Comments and references Andromeda LGGS J004051.59+403303.0: 1: LBV: 16.989 [6] Andromeda AE Andromedae (HV 4476) 1 LBV 17.0–17.9 [6] Andromeda AF Andromedae (HV 4013) 1 LBV 17.325 [6] Andromeda Var 15 ([WB92a] 370) 1 LBV 18.450 [6] Andromeda Var A-1 1 LBV 17.143 [6 ...
The most famous deep-sky object in Andromeda is the spiral galaxy cataloged as Messier 31 (M31) or NGC 224 but known colloquially as the Andromeda Galaxy for the constellation. [53] M31 is one of the most distant objects visible to the naked eye, 2.2 million light-years from Earth (estimates range up to 2.5 million light-years). [ 54 ]
Print/export Download as PDF; Printable version; In other projects ... Pages in category "Andromeda Galaxy" The following 14 pages are in this category, out of 14 ...
This list contains a list of most distant objects by year of discovery of the object, not the determination of its distance. Objects may have been discovered without distance determination, and were found subsequently to be the most distant known at that time. However, object must have been named or described.