Neil deGrasse Tyson @neiltyson
.@b97: Is Mississippi red mud is the same as the red dirt on Mars? // They're both red for the same reason -- oxidized iron. — PolitiTweet.org
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Mon Aug 06 21:14:08 +0000 2012
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Likely AvailableNeil deGrasse Tyson @neiltyson
.@b97: Is Mississippi red mud is the same as the red dirt on Mars? // They're both red for the same reason -- oxidized iron. — PolitiTweet.org