How Do Saturn's Shepherd Moons Help Maintain the Stability of Saturn's

question 20

Multiple Choice

How do Saturn's shepherd moons help maintain the stability of Saturn's rings?

• A) Their magnetic fields confine the rings' orbits.
• B) Their gravity periodically captures solar system debris and adds it to the ring system.
• C) They periodically collide with larger ring objects, pulverizing them.
• D) Their gravitational interactions with ring material maintains the orbital stability of the rings.

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