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Behind astronaut Scott Kelly's one-year mission in space

Time magazine is producing a documentary series about NASA astronaut Scott Kelly and a Russian cosmonaut who are spending a full year in orbit to learn about the physical and mental effects of long-term spaceflight. It's called "A Year in Space,” which can be watched in full on Time.com Time editor-at-large Jeffrey Kluger, the executive producer of the series, joins “CBS This Morning: Saturday” to discuss the documentary.
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