AdvertisementAstronauts Back Home After A Year In Space03:08Download AudioResumeMarch 01, 2016Geoff BrumfielfacebookEmailU.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)