Top > UFOSeek News 2015 > Astronaut Scott Kelly (R) stands alongside his identical twin brother Mark on January 19, 2015. NASA
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Astronaut Scott Kelly (R) stands alongside his identical twin brother Mark on January 19, 2015. NASA
URL: http://www.businessinsider.com/nasa-twin-study-early-results-mark-and-scott-kelly-2017-2
Submitted: Thu Feb 02 2017
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CT: UFOSeek News 2015: Astronaut Scott Kelly (R) stands alongside his identical twin brother Mark on January 19, 2015. NASA
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Last March, NASA astronaut Scott Kelly returned to Earth after spending nearly one year in space. During his 340 days aboard the International Space Station, or ISS, scientists were also observing Scott's identical twin brother, Mark Kelly, while he ...