Neil deGrasse Tyson @neiltyson
Gymnastics: On Mars, with only 38% of Earth's gravity, the Vault & other spring-assisted leaps would resemble circus cannons. — PolitiTweet.org
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Fri Aug 03 01:50:20 +0000 2012
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Likely AvailableNeil deGrasse Tyson @neiltyson
Gymnastics: On Mars, with only 38% of Earth's gravity, the Vault & other spring-assisted leaps would resemble circus cannons. — PolitiTweet.org