How the Universe Will End, According to a Renowned Astrophysicist (via @AstroKatie)https://onezero.medium.com/how-the-universe-will-end-according-to-a-renowned-astrophysicist-2e14afa8ab14 …
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That the book wasn't 50+ years old might also have been a hint. ;)
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pretty sure that’s what she was reacting to
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