Support WBURAstronauts Back Home After A Year In SpacePlay03:08Download AudioGeoff BrumfielMarch 01, 2016 ShareU.S. astronaut Scott Kelly shows a victory sign after landing safely on Earth after nearly a year in space. (AFP/Getty Images)
U.S. astronaut Scott Kelly shows a victory sign after landing safely on Earth after nearly a year in space. (AFP/Getty Images)