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The Jovian Planets. Small Moons. Galilean Moons. Io. Volcanism on Io. Tidal Heating. Jupiter’s Tidal Force. Europa. Water Mantle on Europa. Tidal Flexing on Europa. Ganymede. Callisto. Titan. Infrared Image of Titan. Medium-sized Moons of Saturn. Triton. Rings of Saturn.
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How Rings Are Created • Ring material must be replenished • Rings cannot last 4.6 billion years due to atmospheric friction and collisions • Rings are continually created by destroying moons, comets, asteroids