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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.
The Andromeda–Milky Way collision is a galactic collision predicted to occur in about 4.5 billion years between the ... the average distance between stars is still ...
Picture Galaxy Type Distance from Earth Magnitude Group Membership Notes Diameter (ly) Millions of light-years Mpc M m - Milky Way: SBbc 0.0265 (to the galactic center) [2] 0.008 [2] ...
The distance between the local arm and the next arm out, the Perseus Arm, is about 2,000 parsecs (6,500 ly). [105] ... the Milky Way and the Andromeda Galaxy, ...
The proper distance represents the distance ... presence of a planet orbiting a star in the Andromeda ... as external to the Milky Way. [195] [204] [206] [208 ...
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 ...
This is a list of luminous blue variable stars in order of their distance from Earth ... Milky Way galaxy (confirmed LBVs) Star system ... Andromeda LGGS J004051.59 ...
Distance Constellation ... Milky Way star cloud ~10 Sagittarius: 2.5 2°x1° ... Andromeda Galaxy: Spiral galaxy: 2,430–2,650 Andromeda: