Williams now has 62 hours ... and isn’t visible in the image." During the walk, Williams and Wilmore removed hardware outside the space station and collected samples of surface materials ...

An curved arrow pointing right. NASA sent an astronaut for a walk in space with a GoPro. Here's what he's facing 200 miles above Earth. Produced by Kevin Reilly. Video courtesy of NASA.

float freely in orbit – to space-walk. He was pilot of the Voskhod 2 mission, part of the Soviet Union’s attempt in competition with the US to reach the moon. Leonov’s walk on 18 March 1965 ...