Two Tiny but Significant Satellites That Follow Nearly Identical Orbits

question 199

Multiple Choice

Two tiny but significant satellites that follow nearly identical orbits around Saturn are called shepherd moons because they

• A) clear particles from the Cassini division.
• B) trail streams of gases behind them, like comet tails.
• C) lift dust particles up into "spokes" above the rings.
• D) concentrate particles into the narrow F ring of Saturn.

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