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Compare the reflected and emitted energy from the Earth's surface over the 5mto25mspectral region. Consider the case of surface material with reflectivity equal to0.1,0.5, and0.9. Assume that the sun is a blackbody with a temperature of6000K, and that the total energy density at the Earth's surface is1.1.kW/m2. The earth is a graybody with a temperature of300K. Neglect the effects of the atmosphere.

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