Astronauts have conducted exactly 200 spacewalks in their ongoing upkeep of the International Space Station, but when Peggy Whitson and Jack Fischer step out on Tuesday, the maneuver will be with an added sense of urgency. NASA has planned an emergency spacewalk to repair a failed data box, one of only two responsible for controlling certain US hardware aboard the orbiting laboratory.
.. Continue Reading Busted data box draws astronauts into emergency spacewalkCategory: Space
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