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Comparisons like those are wearisome from the get-go. It's comparing apples with oranges. I'm glad that "It's the dust, stupids!" seems a reliable answer, and also one that is easy to grasp - because not unimportant effects from obliquity/eccentricity/precession cycles are a bit harder to explain for a general audience...

Caveat! I've no idea if precession/obliquity/etc cycles are actually favouring a larger albedo on Mars at the moment... Just underlining that comparing Earth one-on-one with any other planet in our solar system is pretty baseless.

by Nomad (Bjinse) on Fri May 22nd, 2009 at 06:10:08 AM EST
Comparing climate change on Mars to that on Earth in the context of Earth's current warm up is just lame. I don't understand why anyone with half a brain is even giving the argument air time. The fact that several US congressmen are discussing it is better evidence of either their total lack of understanding of science or paid political advertising on behalf of the fossil fuel industry.  

I can swear there ain't no heaven but I pray there ain't no hell. _ Blood Sweat & Tears
by Gringo (stargazing camel at aoldotcom) on Sat May 30th, 2009 at 12:10:53 PM EST
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Of course, the two are not mutually exclusive...

- Jake

Friends come and go. Enemies accumulate.

by JakeS (JangoSierra 'at' gmail 'dot' com) on Sat May 30th, 2009 at 02:21:49 PM EST
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