Black body radiation was my thought as well. It may not be the average including the inner layers, but it’s the average at the crust. About -1°F according to Wikipedia.
Comment on What is the average temperature of earth?
L0rdMathias@sh.itjust.works 8 months ago
You will have a very difficult time finding this. The average temperature of all molecules on earth is absurdly difficult to calculate, nearly impossible to gather data on, and not something that’s very useful for any practical calculations so no one has bothered to do it.
Black body radiation is probably more what you’re looking for, I would suggest starting there.
CrinterScaked@sh.itjust.works 8 months ago
Neato@kbin.social 8 months ago
Why is it hard? At least to get an approximation since you can't measure everywhere.
We know temperatures of the mantle and both cores. We know their size. We can ignore the crust as a rounding error. This approximation will improve as our measurements get better.