The Andromeda Galaxy (/ænˈdrɒmɪdə/), 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.[4] Its name stems from the area of the sky in which it appears, the constellation of Andromeda.
| Designations | M31, Andromeda Galaxy |
| Object Type | Galaxy |
| Constellation | Andromeda |
| Apparent Magnitude | +3.44 |
| Apparent Size (V) | 3.16 x 1 grades |
| Distance | 2.54 million light years |
| Size | 220,000 ly |
| Redshift | |
| Radial velocity |
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