Quote:
Originally Posted by korjik
no its not. That calculation gives an earth that is cooler than it actually is. The actual temperature of the earth is dependent on incoming radiation modified by a very large number of effect due to conditions on the earth. With the right change in conditions on the Earth, the Earth can cool when the sun gets warmer. The opposite is true also. If it werent true, the earth would not be cooler today than it was 12 million, 40 million, and 70 million years ago.
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Not arguing these staments as they are all correct.
However I was only addressing what would be required of the total Solar output to effect a 1.8 degree change on earth. That part is bassed on the inverse square law.