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The New York Times

Matter: Scott Kelly Spent a Year in Orbit. His Body Is Not Quite the Same.

11 Apr 2019, 18:08 UTC
Matter: Scott Kelly Spent a Year in Orbit. His Body Is Not Quite the Same.
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NASA scientists compared the astronaut to his earthbound twin, Mark. The results hint at what humans will have to endure on long journeys through space.

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