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WATCH: The Amazing Story of How This Astronaut Went To Space, Went Blind and Returned To Earth Will Leave You in Awe

04/11/2014 11:59 am ET | Updated Jun 11, 2014
TED

He tweeted from the International Space Station. Now astronaut Chris Hadfield tells the amazing story of going blind in space. Then he covers David Bowie, just because.

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