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Originally Posted by KenWittlief
I think these guys need a reality check
isnt Mars twice as far from the sun as the earth is?
I could belive ice on Mars
but liquid water? wouldnt any body of water there freeze solid?
isnt the average temp at the equator something like -70°F
?!
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Maybe Mars once had much more greenhouse gas, such as carbon dioxide, which keeps the planet warm enough to have water.