There is some news making the rounds that Earth is not the only planet experiencing global warming. Mars, for example, possibly appears to be getting a bit warmer, as are Jupiter, Neptune's moon Triton, and even Pluto. Could this mean that global warming is caused by the Sun and not man's pollution?
I am certainly seeing global warming deniers and others taking this information and running with it (like here, for example, or here, and on Benny Peiser's CCNet on March 7, 2007, though I don't have a link for that). However, let's take a skeptical approach shall we? First off, I want to make a very big point here: the changes in the Earth due to global warming, while real, are somewhat subtle. Yet the Earth gets most of its heat from the Sun, so if the Sun were the cause, we'd expect the effects of warming to be ...
