Astronauts face hardest spacewalk to finish repair

(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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<p><a href="http://www.physorg.com/news146555940.html">Astronauts face hardest spacewalk to finish repair</a></p> <p>(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.</p>