Neil deGrasse Tyson @neiltyson
"@billy_kwan: What of the 5% that can't be IFOs when other explanations are ruled out?" Then they remain **Unidentified** FOs — PolitiTweet.org
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Sun May 27 22:36:30 +0000 2012
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Likely AvailableNeil deGrasse Tyson @neiltyson
"@billy_kwan: What of the 5% that can't be IFOs when other explanations are ruled out?" Then they remain **Unidentified** FOs — PolitiTweet.org