Today I Learned (TIL)

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TIL that in 1977, two Soviet cosmonauts set a space endurance record by spending 96 days in orbit — but lost half their muscle mass, couldn’t walk for days, and needed to be carried out of their c... (airandspace.si.edu)

submitted 1 week ago by bot@lemmit.online to c/todayilearned@lemmit.online

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The original was posted on /r/todayilearned by /u/ProductDad on 2025-08-11 18:57:41+00:00.

Original Title: TIL that in 1977, two Soviet cosmonauts set a space endurance record by spending 96 days in orbit — but lost half their muscle mass, couldn’t walk for days, and needed to be carried out of their capsule.

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