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Introductory Physics Homework Help
Effect of Earth-Sun Distance Variance on Effective Temperature
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[QUOTE="il27, post: 5875189"] [h2]Homework Statement [/h2] The distance between the Sun and the Earth varies during the year: it is a minimum in January, and about 3.3% larger at its maximum in July. What is the corresponding change in the Earth's effective temperature? [h2]Homework Equations[/h2] Energy absorbed: $$ E_{abs} = \pi R^2 (1- \alpha) F_0 $$ energy emitted: $$ E_{emit} = 4 \pi R^2 \sigma (T_E)^4 $$ [h2]The Attempt at a Solution[/h2] I tried finding the effective temperature equation: The effective temperature equation: $$ T_E^4 = \frac{(1 - \alpha) F_0}{4 \sigma} $$ but I am stuck on how to account for the changing distances between the sun and the earth. Please help, thank you! [/QUOTE]
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Introductory Physics Homework Help
Effect of Earth-Sun Distance Variance on Effective Temperature
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