World

Astronauts wrap up successful spacewalk to fix station

Two NASA astronauts wrapped up successful repairs at the International Space Station on Tuesday after a rare Christmas Eve spacewalk to fix an equipment cooling system.

25.12.2013

(AFP) Two NASA astronauts wrapped up successful repairs at the International Space Station on Tuesday after a rare Christmas Eve spacewalk to fix an equipment cooling system.

Americans Rick Mastracchio, 53, and Mike Hopkins, 44, floated outside the orbiting lab for seven and a half hours to replace an ammonia pump whose internal control valve failed on December 11.