/u/gsfgf's posts
I saw someone post on here that "The speed of sound in a neutron star can exceed the speed of light." Is that real?
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Kurzgesagt's video today says that the Local Group is the only galaxies we're gravitationally bound to. I though that's what the Laniakea Supercluster is. If we're not gravitationally bound to Laniakea , what is it?
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