Neil deGrasse Tyson

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Last Checked May 18, 2019

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Fri Jan 06 20:24:25 +0000 2012

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Neil deGrasse Tyson @neiltyson

.@bccxcc Yes, the atom-count in the observable universe is known. How about photons, you ask? Two billion times that number. — PolitiTweet.org

Posted Jan. 6, 2012 Hibernated

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Neil deGrasse Tyson @neiltyson

.@bdsams Does Earth weigh more today than yesterday, you ask? Yup. We plow thru several hundred tons of meteor dust per day. — PolitiTweet.org

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Neil deGrasse Tyson @neiltyson

@MartyKay86 A true statement, whether or not I said it. But the quote is close enough. Perhaps from this talk: bit.ly/x0fw4G — PolitiTweet.org