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View Full Version : Thanks to Gaia, We Now Know Exactly When We値l be Colliding with Andromeda



Fraser
2019-Feb-12, 09:40 PM
Astronomers have known for some time that the Milky Way and the Andromeda galaxies will collide on some future date. The best guess for that rendezvous has been about 3.75 billion years from now. But now a new study based on Data Release 2 from the ESA’s Gaia mission is bringing some clarity to this …
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