The Martian' Stars Ask Real Astronauts About Life in Space (Video)

Real NASA astronauts just dropped a little spaceflight knowledge on the stars of the upcoming sci-fi film "The Martian," from 250 miles (400 kilometers) above Earth. Matt Damon, Jessica Chastain and other actors from "The Martian" — as well as director Ridley Scott — got a chance to ask a few questions of Scott Kelly and Kjell Lindgren, the two NASA astronauts currently living aboard the International Space Station (ISS). You can watch the conversation in this new video, which NASA r