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What is the main difference between an asteroid and a comet?

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  1. Asteroids are icy, comets are rocky
  2. Asteroids orbit Earth, comets orbit the Moon
  3. Asteroids are rocky, comets are icy

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References

  1. CAP Aerospace Dimensions Module 5, Space Environment (Alaska Wing copy) akwg.cap.gov/media/cms/Module_5__Space_Environment_C640727DEF762_83c5b.pdf Checked 2026-10-10.
  2. NASA Science: Comets science.nasa.gov/solar-system/comets Checked 2026-10-10.

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