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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.
Distance from Earth Magnitude ... possibly closest Seyfert galaxy to Earth 62 Andromeda II: dE0 2.22 0.68 ... Satellite of Milky Way: 67 Andromeda XVII: dSph [53] 2. ...
The Andromeda–Milky Way collision is a galactic collision predicted to occur in about 4.5 billion years between the two largest galaxies in the Local Group—the Milky Way (which contains the Solar System and Earth) and the Andromeda Galaxy.
Current measurements suggest the Andromeda Galaxy is approaching the Milky Way at 100 to 140 km/s (220,000 to 310,000 mph). In 4.3 billion years, there may be an Andromeda–Milky Way collision, depending on the importance of unknown lateral components to
1.1 Milky Way galaxy ... This is a list of luminous blue variable stars in order of their distance from Earth. [1] [2] [3] List ... Andromeda AE Andromedae (HV 4476) 1
The distance he found was far greater than the size of the Milky Way, which led him to the conclusion that many similar objects were "island universes" on their own. [ 60 ] [ 61 ] [ 62 ] Hubble originally estimated that the Andromeda Galaxy was 900,000 light-years away, but Ernst Öpik 's estimate in 1925 put the distance closer to 1.5 million ...
1.3 Andromeda Galaxy and Triangulum Galaxy. ... in order of their distance from Earth. [1] [2] [3 ... Present in the Galactic Center region of Milky Way. WR 102ka ...
The Local Group is the galaxy group that includes the Milky Way, where Earth is located. It has a total diameter of roughly 3 megaparsecs (10 million light-years ; 9 × 10 19 kilometres ), [ 1 ] and a total mass of the order of 2 × 10 12 solar masses (4 × 10 42 kg). [ 2 ]