In uk.sci.weather on Tue, 16 Dec 2003 at 16:05:23, Keith Dancey wrote :
In article , "Shaun Pudwell"
writes:
The problem I have is this: If CO2 is such a powerful greenhouse gas
Methane and Water Vapour are much worse ) , then why is Mars so cold?
Average atmospheric pressure on Mars is 6 millibars.
Enough to generate big dust storms though!
BTW, I've always wondered what the surface temperature of Venus would be
if its atmosphere was the same composition as Earth's.
Hotter obviously, since it's a lot closer to the sun, but by how much?
--
Paul Hyett, Cheltenham
Email to pahyett[AT]activist[DOT]demon[DOT]co[DOT]uk