Failed Space Station Computer Spurs Contingency Spacewalk Plans
A view of the International Space Station as seen by the last departing space shuttle crew, STS-135. Credit: NASA
NASA is preparing a contingency spacewalk to deal with a broken backup computer component on the International Space Station, the agency said in an update Saturday (April 12). While there’s no timeline yet for the spacewalk, the agency must consider carefully when to do it given a cargo ship is supposed to arrive at station on Wednesday.
The SpaceX Dragon spacecraft — already delayed due to an unrelated radar problem — is still scheduled to launch Monday at 4:58 p.m. EDT (8:58 p.m. UTC) to arrive at station two days later. Although the computer controls some robotic systems, NASA added the Canadarm2 that will grapple Dragon has other redundancies in place. The question is if the station itself has enough redundancy for the launch to go forward.
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© Elizabeth Howell for Universe Today, 2014. |
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Source: http://www.universetoday.com/111172/failed-space-station-computer-spurs-contingency-spacewalk-plans/
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