NASA Astronauts Talk Gravity (Video)

NASA Astronauts Talk about the making and filming of Gravity Somebody Did Their Homework (Video) During production, the directors shot Bullock suspended in a nine-foot cube surrounded with LED lights; they then worked to composite those images of the actress with the outer-space setting during post-production. "It's basically lighting the movie with computers, not unlike lighting a Pixar film," said Lubezki. "I did it from my house while most of the CG gaffers were in London."