18. Rings, Moons, and Pluto.pptx - Chapter 12 Rings, Moons,...

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Chapter 12Rings, Moons, andPluto
1/3rdof moonsin outer solarsystem haveregular orbits,but the rest areirregular invarious ways.
Jupiter system
Saturn system
Uranussystem
Neptunesystem
The Galilean moons of JupiterGanymedeEuropaIoCallisto
CallistoTidally locked with an orbit of 17 days.Not differentiated!
Orbitalresonance
Tidalheating
GanymedeLarger than Mercury! Not geologically dead
Europa andIo-Where’s
the ice?
Europa – geologically active ice crust
Water?!
IoHighest level ofvolcanism in thesolar system
50 eruptions in 1997 alone!
A sulfur and sulfar dioxide “snowfall”
100 recently active volcanoes

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Term
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Professor
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Tags
Solar System, Planet, Neptune, Natural satellite, Orbital resonance

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