NASAのインスタグラム(nasa) - 4月24日 04時52分

NASA astronauts Steve Swanson and Rick Mastracchio completed a short spacewalk from the International Space Station this morning to replace a failed Multiplexer/Demultiplexer back up computer.

The backup computer failed April 11 after a routine health check by the Mission Control team in Houston. While the primary computer continues operating flawlessly NASA managers ordered Wednesday’s spacewalk repair to ensure redundancy on critical systems. The computer outage did not pose a risk to the six crew members aboard the space station.

While out for the spacewalk, Mastracchio snapped this image of the SpaceX Dragon cargo spacecraft attached to the ISS and shared it on Twitter following the conclusion of today's spacewalk.

Image credit: NASA
#spacex #iss #exp39 #nasa #space #spacestation #station

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