Class14_Ch08

Class14_Ch08 - oday(Weds in oday(Weds in Astro Astro 3 3 z Chapter 8 “Moons Rings and Pluto” z Cell phones off now please z Online quiz#5

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Unformatted text preview: oday (Weds.) in oday (Weds.) in Astro Astro 3 3 z Chapter 8 “Moons, Rings, and Pluto” z Cell phones off now, please z Online quiz #5 covering chapters 8 and 9 due Monday by 10 p.m. z Ask me after class for midterm scantrons Class #14 Units of Chapter 8 The Galilean Moons of Jupiter The Large Moons of Saturn and Neptune The Medium-Sized Jovian Moons Planetary Rings Pluto and Its Moon Is Pluto a Planet? Medium & large moons • Enough self-gravity to be spherical • Are or were geologically active. • Have substantial amounts of ice. • Formed in orbit around jovian planets. • Circular, equatorial orbits in same direction as planet rotation. Small moons • Far more numerous than the medium and large moons. • Not enough gravity to be spherical: “potato-shaped” • They are captured asteroids, so orbits do not follow patterns. • Orbits can be tilted, elliptical, and even backwards! Jupiter’s Galilean moons Io Europa Ganymede Callisto What makes Jupiter’s Galilean moons unusual? • Io has active volcanoes. • Europa may have an ocean of water under its ice. • Ganymede & Callisto may also have sub- surface oceans....
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This note was uploaded on 11/24/2009 for the course ASTR 3 taught by Professor Hauser during the Spring '07 term at UCLA.

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Class14_Ch08 - oday(Weds in oday(Weds in Astro Astro 3 3 z Chapter 8 “Moons Rings and Pluto” z Cell phones off now please z Online quiz#5

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