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Location: UFOUpDatesList.Com > 2007 > Jun > Jun 9

Re: Mars Rover Finds 'Puddles' On The Planet's

From: Paul Scott Anderson <paulscottanderson.nul>
Date: Sat, 9 Jun 2007 11:38:55 -0700
Fwd Date: Sat, 09 Jun 2007 18:23:24 -0400
Subject: Re: Mars Rover Finds 'Puddles' On The Planet's


>From: Michael Tarbell <mtarbell.nul>
>To: ufoupdates.nul
>Date: Sat, 09 Jun 2007 10:05:21 -0600
>Subject: Re: Mars Rover Finds 'Puddles' On The Planet's Surface

>Even in the absence of wind, it isn't clear at all how such a
>'bowl' of water vapor could persist. The atmosphere of Mars is
>virtually pure CO2, which is ~2.5 times as dense as water vapor
>when both are at the same temperature. The bouyant water vapor
>would quickly be displaced by the heavier CO2, unless the water
>vapor were in some anomalous supercooled state at a temperature
>~160 degK colder than the surrounding atmosphere and the liquid
>water interface.


We're talking about liquid water here, not vapour. Water clouds
have long been known to exist in Mars' atmosphere, and have been
photographed by the rovers as well as from orbit. Also dense fog
banks in some low-lying areas.

But also re. liquid water, a number of studies now have shown it
could exist on Mars' surface for brief amounts of time depending
on temperature, elevation, etc. (salty, briny water). I think it
probably does, just not in the particular images posted before.
Also the evidence for current brief seepage of water in some
gullies, found by Mars Global Surveyor and previously reported
on late last year.


Planetaria
http://web.mac.com/paulscottanderson/iWeb/planetaria




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