Pluto is warming

"Some people think that our planet is suffering from a fever. Now scientists are telling us that Mars is experiencing its own planetary warming: Martian warming. It seems scientists have noticed recently that quite a few planets in our solar system seem to be heating up a bit, including Pluto. I wonder what all those planets, dwarf planets and moons in our SOLAR system have in common. Hmmmm. SOLAR system. Hmmmm. Solar? I wonder."
(source: The Fred Thompson Report)

Comments 1 to 2:

1. JDoddsGW at 06:28 AM on 13 March, 2010
   It is NOT just solar insolation that adds energy to the planets.
   The forces of Gravity from the sun & planets also adds energy, and the eccentricity of the planets also changes the planets gravitational potential energy which increases as the planet gets further away. Presumably the PE gets its energy from the planets's KE or temperature, so as the planet gets further away the PE goes up & the KE/temperature goes down.
   Neither gravity nor PE were addressed in the Global warming models. However NASA scientists attribute the climate changes & volcanism on Jupiters moon Io, to the vaiations in Jupiters gravity. Hence gravity causes climate change. The solar insolation being thousands of times smaller is irrelevant.
   The attribution of solar insolation being small (argument above) does NOT impact the conclusion that other planets are also warming when Earth is warming. Since Jupiter is responsible for all planetary eccentricity and hence variations in gravity, then it would not be surprising if all planets (except Jupiter) warmed at the same time.
   See the cause "Its Gravity" in the listof skeptic arguments.
2. Ned at 06:54 AM on 13 March, 2010
   Er, if warming and cooling is caused by gravitational effects and "the solar insolation being thousands of times smaller is irrelevant", then please explain:
   
   (1) Why do we have seasons?
   
   (2) Why do we have glacial/interglacial cycles?
   
   (3) Why is it warmer in the tropics and cooler at the poles?
   
   Thanks!

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