Lecture 11 - Lecture 11 10/7/10 Uranus has a crazy tilt of...

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Lecture 11 – 10/7/10 Uranus has a crazy tilt of 98 o a) Rotates prograde so possibly something could of hit it earlier on Uranus has a very bright ring and moonlets a) Neptune also has rings All of Uranus’s moons are icy moons and 1.5 times that of water a) Its 10 extra moonlets are small and rocklike b) Titania is Uranus’s largest moon Neptune has an interesting moon named Triton a) Triton has nitrogen and methane that exists in all 3 phases b) Rest of moons are small rocklike and lots of water and ice Triton a) Called erupting moon because there’s eruptions on the surface b) Voyager 2 proved that Triton has an atmosphere c) Circular orbit but retrograde- probably was captured when still warm elsewhere d) Dense nitrogen atmosphere e) Erupting volcanoes and T is about 38oK f) Density about twice as water so maybe 75% rock g) Liquid nitrogen oceans Pluto is really a binary planet and when put together it’s about the size of the US a) Gravity is 0.01 (100 lbs = 1 lb)
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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 11 - Lecture 11 10/7/10 Uranus has a crazy tilt of...

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