Neil deGrasse Tyson

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Last Checked May 18, 2019

Created

Sun Apr 22 20:21:27 +0000 2012

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Neil deGrasse Tyson @neiltyson

What I say when my audience is 3000 space professionals. Keynote speech from last week: [40m + 20m Q&A] http://t.co/MRWSLstG — PolitiTweet.org

Posted April 22, 2012 Hibernated

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Neil deGrasse Tyson @neiltyson

April 22, 2012 #EarthDay. Founded 1970. The year after we walked on Moon, looked back home, & discovered Earth for first time — PolitiTweet.org

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Neil deGrasse Tyson @neiltyson

.@atexdelite How has E=mc^2 changed the way we look at the cosmos, you ask? "InTheBeginning" [2800words] http://t.co/InZdIztt — PolitiTweet.org