Quote:
Originally Posted by Dagwolf
I wasn't aware that CO2 could exist in liquid form; I thought it went straight from solid (dry ice) to gas.
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liquid CO2 can exist at high pressures (5-6 times the air pressure on earth)
but not sure how it can happen on mars. the air pressure is very low there. maybe it forms underground with pressure and comes out as a boiling liquid to the surface.