INTRO TO THE SCIENCES6

INTRO TO THE SCIENCES6 - OriginoftheSolarSystem...

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Origin of the Solar System        A. Introduction            Observations:                    9 planets and about 50 known moons (mostly around the outer planets)            1. Planets can be divided into an inner group of terrestrial planets, small earth-like  planets rich in Fe, Si, and other relatively heavy elements; and an outer group of giant,  low density planes probably like the sun in composition (Jovian planets Jupiter, Saturn,  Uranus, Neptune and Pluto).            2. The planets all revolve around the sun in the same direction (counterclockwise)  and the planets orbits lie in nearly the same plane. All planets except Venus and Uranus  rotate in the same direction as they revolve around the sun. Most moons also revolve in  the same direction as the planets.             3. The sun contains 99.9% of the mass of the solar system.        B. Nebular Hypothesis            The great order in the solar system indicates that it all formed together
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This note was uploaded on 01/27/2012 for the course GEOL 1420 taught by Professor Wagner during the Fall '10 term at Texas State.

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INTRO TO THE SCIENCES6 - OriginoftheSolarSystem...

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