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Beyond A Year in Space
Space Twins
Using data from identical twin astronauts Mark and Scott Kelly, NASA’s twin study is investigating the long-term effects of space travel on the human body. The results will be used to help get humans to Mars.
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54:10
Beyond A Year in Space follows Scott Kelly's return to Earth and NASA's Twin Study.
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55:37
A Year in Space gives viewers a window into astronaut Scott Kelly’s unprecedented mission.