• Question: could our galaxy ever collide with another

    Asked by legit_banter_TGS to Jillian on 18 Jun 2015.
    • Photo: Jillian Scudder

      Jillian Scudder answered on 18 Jun 2015:

      It will! We’re going to be colliding with Andromeda, our closest galaxy neighbor, in about 4-5 billion years. Our galaxy has probably collided with a bunch of smaller galaxies in the past, which helped get our galaxy to be as big as it is!

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