Christina Koch breaks record for longest spaceflight by a woman

Christina Koch breaks record for longest spaceflight by a woman
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This won’t be the longest spaceflight of all time. Scott Kelly set the US record by staying in space for 340 consecutive days between 2015 and 2016, while Russia’s Valeri Polyakov spent just over 437 days aboard Mir. It’s still a very long stretch, however, a…
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