Astronaut Don Pettit's 'Spaceborne' Offers Other-Worldly Look at Earth

Three things have primarily changed how we see Earth in photographs from the International Space Station. The third was NASA astronaut Don Pettit. A photography enthusiast since he was a student in grade school, Pettit extended his passion to his perch 250 miles (400 km) above the planet as a flight engineer onboard the space station.