NASA’s mission operations team expects to conduct weeks or even months of analysis before declaring the elusive leak of ammonia coolant from the International Space Station’s solar power generation system to have been fully repaired by the crew’s May 11 emergency spacewalk. As a result, one of eight channels that distributes solar power throughout the six-person orbiting science lab remains offline at least through the early stages of the post-spacewalk troubleshooting, although this is ...


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