I’ve asked this on Worldbuilding, but can anyone find/make me a formula that can be used to predict the mean temperature of a planet, while factoring in greenhouse effect?


What you are looking for is called a zero-dimensional climate model. The equation without the Greenhouse effect is simple, though with a lot of simplifications, one with a very crude, linearized, Greenhouse effect is possible.

  • $\begingroup$ It works. It’s T=((1-a)S/(4eo))^.25, and it gives a planetary temperature for Earth that’s very close to the average temperature of the planet. And S=P/r^2. $\endgroup$ Dec 7 '20 at 16:56

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