unbelievable fact I just calculated, inspired by a tumblr post Liz showed me: sharks have existed on earth for a little less than 1/30th of the lifetime of the universe
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in reply to @nex3's post:
i just saw that post and i had to lay on the floor for a bit to think about it. absolutely wild
This is so wack. I saw that same post, and yet hearing it in these terms as a simple, comprehensible fraction is blowing me away again
in reply to @JhoiraArtificer's post:
Actually, Polaris is a binary star system, and sharks are only older than one of them! The other one's older than sharks, though how old, I don't know
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