NASA astronaut Tom Marshburn does a flip in zero-g after arriving at the International Space Station Dec. 21. He, Russian cosmonaut Roman Romanenko, and Canadian astronaut Chris Hadfield had just ... more 
NASA astronaut Tom Marshburn does a flip in zero-g after arriving at the International Space Station Dec. 21. He, Russian cosmonaut Roman Romanenko, and Canadian astronaut Chris Hadfield had just docked aboard a Russian Soyuz spacecraft to join less 
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SPACE.com | Photo By NASA TV
Tue, Dec 25, 2012 7:48 AM EST