Mars Waterworld-Documentary-Part.1
<p>Nov 13, 2014 10:00 PM from Sep 2011</p>
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a Nat Geo documentary... exclt!</p>
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water boils at 7 torr at room temp.. boils away.</p>
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not enuf atmos to insulate it... at warmest 70 degr F
at coldest - 224....</p>
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valleys carved on Mars.... had flowing water... gullies... formed recently...
appear in S hemisphere. </p>
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