It’s alive!

The Milky Way Is Still Growing, Surprising Scientists
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Ethan Siegel
Build Spaceships
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1 min read·
Apr 10, 2018
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It’s alive!
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Written by Build Spaceships529 Followers
·223 Following
Sci-fi short stories to inspire your inner rocket building, planet-hopping, astrophysicist space pirate. 🚀
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