this post was submitted on 26 Nov 2023
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Astronomy

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Spiral galaxies like the Milky Way are surprisingly rare. Astronomers may finally know why. (www.livescience.com)
submitted 11 months ago by [email protected] to c/[email protected]
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[–] [email protected] 2 points 11 months ago

Actually our galaxy has had at least 1 other collision according to our current understanding.

https://www.wired.com/story/this-galactic-collision-shaped-the-history-of-the-milky-way/

But our spiral likely formed after.