class14a - 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[email protected] Amanda Bayless Daniel Kagan RLM 16.312, Th 10-12 RLM 16.322A , W 3-5 471-3462 471-6858 [email protected] [email protected] class website: www.as.utexas.edu courses AST 309S username: AST password: 309
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Topics from chapter 4 How can planetary surfaces be modified? impact cratering – especially on Mercury and Moon lava flows – especially on Venus and Earth weathering – especially on Earth and Mars formation of craters dating surfaces from crater counts effects of wind and water resurfacing by extensive lava flows evidence of water on Mars
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Reading for Wednesday Chapter 5: Atmospheres of Terrestrial Planets The quiz on Friday will be on 5.1-5.4 We’ll have a quiz on 5.5-5.8 next week. Today Evidence of liquid water on Mars
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Liquid water on Mars? It looks like there once was liquid water on Mars. There are huge canyons (Valles Marineris is the biggest) that look like they were formed by flowing water.
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