Colleagues
U.S. astronaut Dan Burbank, right, and Russian cosmonaut Anton Shkaplerov pose for photo before the beginning of their mission at the Baikonur cosmodrome, Kazakhstan, 14 November 2011. Russian cosmonaut Anatoly Ivanishin joined the two on their mission to the International Space Station. The crew is scheduled to reach the station on November 16.

• Outer Space: Thomas Ruff's Altered Reality