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Rings

Rings. All Jovian planets have rings. Rings are on the equatorial plane. Rings are composed of independently orbiting particles. Sizes are between small pebbles and cars. They obey Kepler’s third law: Distant regions have a smaller velocity.

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Rings

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  1. Rings • All Jovian planets have rings. • Rings are on the equatorial plane. • Rings are composed of independently orbiting particles. • Sizes are between small pebbles and cars. • They obey Kepler’s third law: Distant regions have a smaller velocity. • Origin: Either shattered satellite or unstable to form. • Mostly second explanation • Roche Limit: Tidal forces will tear apart a satellite if it is closer to the planet than the Roche limit.

  2. Jupiter’s Rings

  3. Rings of Saturn

  4. Rings of Uranus

  5. Neptune’s Rings

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