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Why do astronauts float while orbiting Earth?

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  1. Earth's gravity is gone
  2. Air holds them up
  3. They are in continuous free fall

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References

  1. Aerospace Dimensions Module 5, Space Environment akwg.cap.gov/media/cms/Module_5__Space_Environment_C640727DEF762_83c5b.pdf Checked 2026-10-10.

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