Chapter 8(The Jovian Planets) - Jovian Planets Reminder...

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Jovian Planets
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Reminder - Formation of Jovian Planets Outside frost line ices condense More solid material for accretion More massive cores, which can capture and hold hydrogen and helium
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Composition of the Jovian Planets Almost entirely H, He – but not all gaseous! Temperatures increase as you go down the planet
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Why is Jupiter much more massive than Saturn? It is larger, but also much more dense. It became so large that piling on more material caused compaction of the existing material, allowing it to gain mass without gaining much size.
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Magnetic Fields Strong fields, especially Jupiter. (20,000 X as strong as Earth’s field!) Jupiter and Saturn have fields created by layer of metallic hydrogen. Uranus and Neptune have weaker fields caused by core materials.
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Aurora
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Aurora on Earth
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Jovian Weather Cloud covered Different colors indicate different compositions Ex – Jupiter – water, ammonium hydrosulfide, ammonia. Tremendous winds due to Coriolis effect Giant storms
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Coriolis Effect Causes deflection of objects moving in rotating frame. Example – Ball “curves” when thrown on a merry-go-round. Example – Weather systems rotate counterclockwise in the northern hemisphere It cause planets that rotate fast to have winds associated with them***
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Jupiter
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Saturn
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Uranus
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Neptune
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