Monday, May 22, 2017

NASA Astronauts Perform Spacewalk Tuesday Morning


A pair of NASA astronauts will perform a spacewalk outside the International Space Station on Tuesday morning to replace a data relay box that failed over the weekend.

The box is one of two in the middle of the football field-length station that controls solar arrays, radiators, cooling loops and other functions, NASA said.

A backup box, formally called multiplexer-demultiplexer, or MDM, is working and NASA said the station's five-person crew was not in danger.

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