The scale of the universe, laid out in less than 5 minutes by Harry Evett. The full video goes all the way to the cosmic microwave background! https://t.co/DnKxYTNY6Z pic.twitter.com/XWgWkeF9aW
— Corey S. Powell (@coreyspowell) November 28, 2019
via Twitter https://twitter.com/coreyspowell
November 28, 2019 at 11:33PM
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