The Shepherd Moons Keep the Ring Particles in Their Rings

question 58

Multiple Choice

The shepherd moons keep the ring particles in their rings by:

• A)repelling the ring particles, causing them to slow down.
• B)repelling the ring particles, causing them to speed up or slow down.
• C)attracting the ring particles, causing them speed up.
• D)attracting the ring particles, causing them to speed up or slow down.
• E)both attracting and repelling the ring particles, causing them to speed up or slow down.

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