Andromeda Is Coming for Our Milky Way Galaxy, Eventually

By Dennis Overbye The apocalypse has been postponed. Astronomers have long known that the Andromeda galaxy, a.k.a. Messier 31, a swirling city-state of a trillion stars — plus all the accouterments of gas, dust, dark matter and black holes — is rumbling through the cosmos right toward us at 68 miles per second. Five years …
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Published on February 13, 2019 10:34
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