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Neil deGrasse Tyson @neiltyson
Still sad about Pluto? Get over it. Here’s the whole story, from discovery to first-hand account of its demotion. Don’t blame me. I was an accessory, yes. But Pluto had it coming. https://t.co/5gjhUrQDyN https://t.co/flDQV4Urlk — PolitiTweet.org