Science: What will happen when the Andromeda galaxy and the Milky Way collide
[youtube http://www.youtube.com/watch?v=Cd9cBlvfjow] The Milky Way and Andromeda galaxy are on a collision course: in about 3 billion years from now the two galaxies will collide. Then over a span of 1 billion years or so after a very complex gravitational dance, they will merge to form an giant elliptical galaxy. That’s why the collision period is […]
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