Neil deGrasse Tyson @neiltyson
Had the 15 February 2013 Russian meteor exploded 0.6 km high, as in Hiroshima, no person in Chelyabinsk would have survived. — PolitiTweet.org
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Sat Feb 15 19:39:11 +0000 2014
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Likely AvailableNeil deGrasse Tyson @neiltyson
Had the 15 February 2013 Russian meteor exploded 0.6 km high, as in Hiroshima, no person in Chelyabinsk would have survived. — PolitiTweet.org