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Transcript of Andromeda Galaxy
~ Andromeda, from edge to edge, measures 220,000 light years while the Milky Way measures about 120,000 light years. - The bulge contains two major concentrations of stars, P1 and P2. - P2 consists of a large black hole. The Milky Way also contains a black hole in the center. - Every second, Andromeda Galaxy moves 100-140 km towards us! - In the year 1764, Charles Messier, a scientist, rediscovered
Andromeda and named it Messier 31 or M31 - Recently it was discovered that there is a rare mini quasar sucking in matter in Andromeda http://www.space.com/18871-microquasar-black-hole-andromeda.html Quasars are super massive black holes that release a lot of light as they destroy stars and suck in matter. Definition Stars - M31 contains over one trillion stars! While the Milky Way only contains 300 billion. - Acording to a team of astronomers, Andromeda formed when two smaller galaxies clashed approximately 5 to 9 billion years ago. - Of course we are not sure
if there are aliens or not.
However, for a galaxy with
billions of planets, it is
highly likely that there is
at least one planet where there is life (maybe as small as bacteria) or where life is possible. Google Images