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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
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This document was uploaded on 12/05/2013.
- Fall '13