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Effect
of Saturn's Inner Satellites
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Moon Mimas responsible for
Cassini division
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Mimas period 22.6 days
-
Cassini division particles
period 11.3 days
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2-to-1 resonance
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Where else do we see this
effect?
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Kirkwood
gaps in Asteroid belt
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What
planet causes Kirkwood gaps?
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Pandora and Prometheus are
shepherd moons for F ring
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Pan causes Enke gap
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Rings themselves are not
uniform all the way around
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See "Structure of Saturn's
Rings movie" on CD ROM
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Radial spokes/shadows might
be caused by Saturn's magnetic field
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