SCOTT KELLY spent 340 days in space, setting the record for the longest space flight by an American. The purpose of the NASA mission was to study what effects of living in space for an extended time had on the human body. An identical twin, Kelly was the perfect subject since any physiological changes could be compared to those of his brother, astronaut Mark, who remained on Earth. Floating in the International Space Station for a year, Kelly had a unique vantage point which he captured with a camera. His book of beautiful and otherworldly photos in now out, Infinite Wonder. We’ll talk with Kelly about his view from space, life on the ISS, and what scientists learned from his lengthy stay in zero gravity.