Lect2 -- Energy Transformation

Colorsetbytemperature t5778peaksinyellow

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Unformatted text preview: ’ (IR) Earth temp changes until Input = Output First Law of Thermodynamics Fusion of Hydrogen to Helium + Energy T = 5778 K Electromagnetic Radiation EARTH Black Body Spectrum. Color set by Temperature: T=5778 peaks in yellow Energy ultimately derived from solar radiation: Weather (wind and waves) Chemical via photosynthesis: CO2 + H2O yields hydrocarbons Direct Solar Power Energy not derived from solar: Geothermal – uses earth’s internal heat Nuclear – derived from mass of heavy elements via fission. Heavy elements formed in the superno...
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This document was uploaded on 12/05/2013.

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