
Neil deGrasse Tyson @neiltyson
The Moon continually tugs on Earth’s rotation, slowing us down bit by bit. To compensate, Tuesday, June 30 gets a leap second — PolitiTweet.org
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Sun Jun 28 21:12:44 +0000 2015
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Likely AvailableNeil deGrasse Tyson @neiltyson
The Moon continually tugs on Earth’s rotation, slowing us down bit by bit. To compensate, Tuesday, June 30 gets a leap second — PolitiTweet.org