class33a - Monday, Nov. 17 Syllabus, class notes, and...

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Monday, Nov. 17 Syllabus, class notes, and homeworks are at: www.as.utexas.edu courses AST 301, Lacy Reading for this week: chapter 16 We’ll go back to the old help session time and place this week: Wednesday at 5:00 in GRG 424
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Topics for this week What evidence do we have that planets exist orbiting around other stars? Describe and compare briefly the compositions and orbits of the planets, asteroids, and comets. Describe the nebular theory of the formation of the solar system. How does the nebular theory explain the differences in composition among the planets?
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Terrestrial Planets The inner four planets Sizes similar to the Earth’s Interiors made of metals and rocks Very thin atmospheres (compared to the diameters of the planets) Earth also has oceans (and Mars may once have). These also make up a small fraction of the volume.
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Jovian planets The next four planets Interiors made of ices and gasses (probably with small rocky cores) Jupiter and Saturn are mostly gas.
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This note was uploaded on 07/13/2010 for the course AST 301 taught by Professor Harvey during the Fall '07 term at University of Texas.

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class33a - Monday, Nov. 17 Syllabus, class notes, and...

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