Interview: Inside Astronaut Don Pettit's Jaw-Dropping Space Photography

NASA astronaut Don Pettit has flown in space three times, two of them long-duration stays on the International Space Station, and he made the most of his extended time in space capturing hundreds of thousands of photographs of what astronauts see from space — beautiful photos of Earth's cities at night and airglow, the circling of star trails in space over time and the station itself. The best of Pettit's photographs are collected in a new coffee-table book, "Spaceborne" (Press S