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What can many liquid-fuel rocket engines do that solid motors cannot?

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  1. Fly without any oxidizer
  2. Burn without making any exhaust
  3. Shut off, and some can restart in flight

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References

  1. NASA Science, Basics of Space Flight, Chapter 3 science.nasa.gov/learn/basics-of-space-flight/chapter3-2 Checked 2026-10-10.

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