What is the basic relationship between the emission/absorption of thermal radiation and the surface temp.?
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$\begingroup$ Hello, and welcome to Stack Exchange. This is probably too broad for us to answer; you might think of editing it to reduce its scope. $\endgroup$– Daniel GriscomNov 10, 2017 at 2:03
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1 Answer
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The usual relationship is the Stefan-Boltzmann law. It only really applies to blackbodies, but it's a pretty good approximation for most bodies. If a body is in equilibrium (so its temperature isn't changing), the absorbed power is equal to the emitted power. Do you have a more specific question?
