class04a - AST 309S The Solar System MWF 11-12 John Lacy R...

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AST 309S The Solar System MWF 11-12 John Lacy RLM 16.332, M-F 12-12:30 471-1469 lacy@astro.as.utexas.edu Amanda Bayless Daniel Kagan RLM 16.312, Th 10-12 RLM 15.202A, W 3-5 471-3462 232-3923 baylessa@astro.as.utexas.edu kagan@astro.as.utexas.edu class website: www.as.utexas.edu courses AST 309S username: AST password: 309
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Reading for this week Chapter 2: The Internal Structure of the Terrestrial Planets If you haven’t finished reading the chapter, keep working on it. If you have just skimmed it, look back at it, looking especially for the topics I talk about in class. A note on the homework: We will have a help session tonight (and every Wednesday) at 7:00 in RLM 15.216B. If it is clear enough we will go up to the roof of RLM to see Venus and the stars. But you don’t have to be anyplace special to see Venus. It is the brightest object in the sky.
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Topics from chapter 2 definitions of energy, power, heat energy, kinetic energy, potential energy descriptions of core, mantle, crust, lithosphere, asthenosphere – where are they, what are their properties, what are they made of? ways that heat can be generated in a planet ways that heat can be transferred in a planet why larger planets retain heat better how planets become differentiated, with denser materials found nearer the center evidence that planets are differentiated
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Energy best defined by examples and formulas: energy of motion (kinetic energy): determined by an object’s speed and mass: ½ m v 2 heat energy: determined by an object’s temperature:
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This note was uploaded on 07/13/2010 for the course AST 309 taught by Professor Johnlacy during the Spring '08 term at University of Texas at Austin.

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class04a - AST 309S The Solar System MWF 11-12 John Lacy R...

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