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Milky Way flipped in collision with dwarf galaxy 10bn years ago, astronomers say

Durham University researchers find cataclysmic direct hit with Gaia Sausage sent Milky Way into its current positionAstronomers have found evidence that the Milky Way was flipped on its side following a direct hit from a wayward galaxy long before the…

This article was originally published by The Guardian World and is republished here under license.

Durham University researchers find cataclysmic direct hit with Gaia Sausage sent Milky Way into its current position

Astronomers have found evidence that the Milky Way was flipped on its side following a direct hit from a wayward galaxy long before the solar system was born.

The cataclysmic collision took place about 10bn years ago when the Milky Way was struck head-on by an incoming dwarf galaxy known – for purely astronomical reasons – as the Gaia Sausage.

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