Contingency Spacewalk Planned Next Week, But Dragon Must Arrive At Space Station First
NASA astronaut Greg Chamitoff during a 2011 spacewalk on the International Space Station. Reflected in his visor is NASA crewmate Mike Fincke. Both astronauts were mission specialists aboard shuttle mission STS-134. Credit: NASA
As contingency spacewalks go, the urgent task should be easy: a quick 2.5-hour run to swap out a failed backup computer that controls several systems on the International Space Station, including robotics. But NASA doesn’t want to go ahead with it until spare spacesuit parts arrive, in the aftermath of a life-threatening suit leak that took place last summer.
Those parts are on board the much-delayed SpaceX Dragon spacecraft sitting on a launch pad waiting for its next window to open. For this and other reasons, NASA decided to move ahead with the launch as planned Monday at 4:58 p.m. EDT (8:58 p.m. UTC). The spacewalk would take place April 22 — if Dragon gets there as planned on Wednesday.
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© Elizabeth Howell for Universe Today, 2014. |
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Source: http://www.universetoday.com/111177/contingency-spacewalk-planned-next-week-but-dragon-must-arrive-at-space-station-first/
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