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ASTA01H3 (77)
Lowman (12)
Lecture 15

lecture 15-16

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Department
Astronomy
Course
ASTA01H3
Professor
Lowman
Semester
Fall

Description
Lecture 15 Jupiter y More than 2x mass of all planets in solar systems thy 11000 of sun mass y Orbits at 52 AU with 1186 tropical years rdy 3 brightest object in sky y Not rocky y Rotation period calculated by observing rotation of magnetic field 9hr 55min Squashed by rotation but not as much as expected o Calculations tell us that this must be because Jupiter has a dense y rockytype core About 10 Earth masses o The Atmosphere of JupiterHas bright zones had dark beltsZones are cooler and higher than beltsUnder zones and bands are stable flows called zonal flowThe equator has highest wind speedShear of different velocity bands rolls up clouds layers into rotating spotsComposition of Atmosphere y Mostly hydrogen and helium with trace methane ammonia and water vapor y Jupiter is mostly atmosphere y Color from chemical interactions y
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