Astronaut Scott Kelly: 'Earth Is an Amazing Thing to Look at'Continuing his yearlong mission aboard the ISS, the NASA astronaut discusses the toll of living in space and his passion for taking pictures.Get more newsLiveonPrintSaveCreate your free profile or log in to save this articleJune 10, 2015, 11:11 PM UTCBy Lester HoltLester HoltLester Holt is the anchor of "NBC Nightly News."