How long was the longest spaceflight any astronaut or cosmonaut has ever done?
How long was the longest spaceflight any astronaut or cosmonaut has ever done? Correct Answer 438 days
Russian cosmonaut and doctor Valery Polyakov spent 438 days in space from January 8, 1994, to March 22, 1995, on board the Mir space station.
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Feb 20, 2025