ASTA01H3 Lecture 15: Lecture 15--17, Study Guide

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23 Jan 2011
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9hr 55min squashed by rotation but not as much as expected: calculations tell us that this must be because jupiter has a dense (rocky-type) core. About 10 earth masses: the atmosphere of jupiter. zones are cooler and higher than belts. under zones and bands are stable flows called zonal flow. shear of different velocity bands rolls up clouds layers into rotating spots. composition of atmosphere: mostly hydrogen and helium with trace methane, ammonia and water vapor. Jupiter is mostly atmosphere: color from chemical interactions, no solid surface so we take troposphere to be. 0km: high wind speed at depth due to planets interior heat, great red spot. spot bigger than earth: ineternal structure. Jupiter radiates more energy than it receives from the sun. core still cooling off from heating during gravitational compression. Jupiter has to be 80 bigger to be considered a faint star.

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