Lecture 10 - Lecture 10 10/5/10 Gas giants are Jupiter and...

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Lecture 10 – 10/5/10 Gas giants are Jupiter and Saturn and the ice giants are Uranus and Neptune Giant planets a) A lot farther from sun makes them colder with little greenhouse effects. This also makes them have ice on the surface. b) Jupiter is twice as massive as all the other planets put together c) Gas is the dominant constituent i) Makes them more like stars because they radiate more energy than they receive Jupiter a) Gravity is 2.54 (100 lbs = 254 lbs) b) Has more than 60 moons not just the 4 Galilean moons i) Forms a miniature solar system c) Has a ring around it Jupiter’s Bands are light and dark which correspond to high and low pressure a) At band boundaries there is a switch in the pressure b) Has a great red spot which is a spiral storm system i) Some mini storm systems merge Galileo probe was dropped into Jupiter a) Atmosphere of Jupiter has organic materials which raises the question of possibility of life Gas giants have metallic hydrogen in their structure, but ice is dominant in the ice giants
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This note was uploaded on 05/03/2011 for the course AST 301 taught by Professor Harvey during the Fall '07 term at University of Texas at Austin.

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Lecture 10 - Lecture 10 10/5/10 Gas giants are Jupiter and...

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