Our galaxy is on a collision course with its nearest neighbour, the Andromeda galaxy, and the head-on crash is expected in four billion years, according to NASA.
Source: http://www.cosmosmagazine.com/news/5647/our-galaxy-hit-andromeda-galaxy-four-billion-years
Elena Lyons Elisabeth Röhm Elisha Cuthbert Eliza Dushku Emilie de Ravin Emma Heming Emma Stone Emma Watson
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