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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

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