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Unformatted text preview: - Large amounts of gas and ice create the gas giants 2) Formation of the moon- Mars sized object crashes into the Earth- Material thrown outward begins to orbit Earth 3) What does the future hold for our solar system?- Not a good outlook- Approximately 4 billion years from now our sun will become a red giant- Grow to 140 million kilometers in diameter- Mercury destroyed- Venus ~ 1700* C- Earth ~ 1400* C 4) Interior of the Earth- Lithosphere: * 0 Km * Cool, rigid, and brittle; this is where the plate tectonics are- Asthenosphere: * 100 Km * Hot, weak, plasticity- Mesosphere: * 350 Km * Hot, but stronger than the asthenosphere- Outer Core: * 2883 Km * Liquid- Inner Core: * 5140 Km * Solid 5) Composition- Crust: * 8-40 Km from surface * Si, O, and light elements- Mantle: * 40-2883 Km * Mg, Si, O- Core: * 2883-6371 Km * Fe, Ni, S...
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- Spring '08