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Gravity assist

  1. Oct 22, 2003 #1
    just have a while questions:

    Is it only used to speed up or slow down spacecrafts?

    What are some other benefits except that it saves fuel in spacecrafts?
  2. jcsd
  3. Oct 23, 2003 #2
    I think it only speeds up, but I bet it could also slow down. It cuts travel time a lot too.
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