
Neil deGrasse Tyson @neiltyson
@loomborn @bobatl Yes. Ancient Greece - inferred from Earth’s shadow during Lunar Eclipses. But it was lost to the Dark Ages — PolitiTweet.org
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Fri Jan 29 05:18:07 +0000 2016
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Likely AvailableNeil deGrasse Tyson @neiltyson
@loomborn @bobatl Yes. Ancient Greece - inferred from Earth’s shadow during Lunar Eclipses. But it was lost to the Dark Ages — PolitiTweet.org