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AhaBulb: Stuff Everyone Should Know · ahabulb.com/aero-microgravity-daily-exercise

Why do astronauts exercise about two hours daily?

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  1. To steer the station
  2. To make artificial sunlight
  3. To protect muscles and bones

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References

  1. NASA, Astronaut Exercise www.nasa.gov/general/astronaut-exercise Checked 2026-10-10.

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