August29-07 - Physical Geology Origin of the Earth and...

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Physical Geology Physical Geology Origin of the Earth and Solar Origin of the Earth and Solar System System Lecture 2 Lecture 2 August 29, 2007
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Lecture Goals Origin of the Solar System Age and Origin of the Earth Origin of the Atmosphere and Oceans Structure and Composition of the Earth
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Origin of Earth and Solar System Terms and information to know Age of Big Bang How matter formed in early Universe Solar Nebula Hypothesis Evolution of Sun and Planets Age of Earth and how that is known Nature of earliest Earth Origin of Earth’s layering in Iron Catastrophe and role of radioactive heat Origin and nature of early Atmosphere Origin of Oceans Composition of whole Earth and Earth’s crust (just 3-4 most abundant elements) Core, Mantle and Crust Composition of Core, Mantle and Crust
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J. Hester and P. Scowen/NASA
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Figure 1.9 A
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original artwork by Gary Hincks
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original artwork by Gary Hincks Forming the solar system, according to the nebula hypothesis: A second- or third- generation nebula forms from hydrogen
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This note was uploaded on 11/03/2008 for the course GEOSC 001 taught by Professor Tormey,brian during the Fall '08 term at Pennsylvania State University, University Park.

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August29-07 - Physical Geology Origin of the Earth and...

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