Atoms for Peace Galaxy Collision . ... Perhaps if we collide with the Andromeda Galaxy in a few billion years, it might. Pictured above is NGC 7252, a jumble of stars created by a huge collision between two large galaxies. ... Since the sideways velocity of the Andromeda Galaxy (M31) is presently unknown, no one really knows for sure if the Milky Way will ever collide with M31 . ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ...