Astronauts complete 2nd spacewalk to swap station batteries
For every two outdated batteries coming out, a new and improved one goes in to supply power to the space station on the night side of Earth.
via FOX BUSINESS NEWS https://ift.tt/2NLs5KH
FOX BIZ NEWS: Astronauts complete 2nd spacewalk to swap station batteries
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July 01, 2020
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