9:29:09 Planets - Planets 29/09/200907:44:00 Sun

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Planets 29/09/2009 07:44:00 Sun Over 99% of the solar system’s mass – dominates gravity Made mostly of H / He gas Produces nearly all of the energy and light Mercury Made mostly of metal and rock Desolate, cratered No atmosphere, so very hot in day and very cold at night Venus Named after the Goddess of Beauty, but a hellish environment 470 degrees Celsius day and night Same size as Earth Earth Only known inhabited world Only place with liquid water in the solar system Unusually large moon Mars Thin atmosphere Volcanoes, canyons, polar caps Liquid water in past Asteroid Belt Small rocky objects between the orbits of Mars and Jupiter
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Jupiter Mostly H and He 300 times more massive than Earth Many moons Saturn Giant, gaseous planet like Jupiter Spectacular rings About 100 times Earth’s mass
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This note was uploaded on 10/17/2011 for the course ISP 205 taught by Professor Donahue during the Fall '08 term at Michigan State University.

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9:29:09 Planets - Planets 29/09/200907:44:00 Sun

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