Astronauts face hardest spacewalk to finish repair
November 22nd, 2008 in Space & Earth / Space Exploration
In this image provided by NASA astronaut Shane Kimbrough participates in the mission's second scheduled session of extravehicular activity Thursday Nov. 20, 2008 as construction and maintenance continue on the International Space Station. (AP Photo/NASA)
(AP) -- Astronauts up on the international space station faced the longest and hardest spacewalk of their mission Saturday, a seven-hour-plus excursion to wrap up repair work on a gummed-up joint.
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