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NASA astronaut Scott Kelly explains how seeing planet Earth from space changed his perspective on life


NASA astronaut Scott Kelly explains how seeing planet Earth from space changed his perspective on lifeRetired NASA astronaut Scott Kelly spent 340 days in space aboard the International Space Station in 2015-2016, a trip that changed his DNA by 7%. NASA revealed in March that after his year in space, astronaut Scott Kelly's DNA changed by a full 7%. Kelly retired in April 2016, after returning home from a 340-day trip aboard the International Space Station.





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