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Re: (TFT) Mars - Rick was hot.
My understanding was that the potential liquid water may be a form of
brine. Perchlorates have been detected on the surface, as have other
salts. This would lower the freezing point of water considerably, as well
as provide potential organisms with a non-photosynthetic means of producing
energy. Does that sound right?
On Tue, Aug 9, 2011 at 5:16 AM, Rick Smith <rsmith@lightspeed.ca> wrote:
> I just got back from the Mars Society convention
> in Dallas. (I was invited to give a talk there.)
> If any one has a question on Mars, I'm a fair
> expert.
>
> Boy was it hot in Dallas! The high ways were
> built with expansion joints but it was so hot,
> that they were not enough and the highways were
> buckling. They have _never_ experienced heat
> like this before.
>
> Warm regards, Rick.
>
> On Thu, 2011-04-08 at 16:07 -0400, Joey Beutel wrote:
> > On Aug 4, 2011, at 3:06 PM, Jay Carlisle wrote:
> >
> > > NASA announces a big discovery about Mars press conference at 11:00
> > > in the
> > > a.m. my time and nobody in the u.s. press gets to it before I can
> > > get it
> > > from the BBC.
> > > Not even NASA's own websites.
> > > Sigh...
> > > Anyway;
> > > http://www.bbc.co.uk/news/science-environment-14408928
>
>
> > > Flowing water on Mars...
> > > ...
> > > Flowing water?
> > > ...
> > > Each "summer"?
> > > ...
> > > Duhhhhhhhh...
> > > <Scratches bleeding hole in scalp>
> > > How does the water get up the highlands to flow down into the
> > > "valleys"?
> > > There's not really weather...
> > > Am I really that stupid?
> >
> > No, but there is weather on Mars. Even a "sand storm" in winter (when
> > the water is all frozen) could move the ice around.
> >
> > Also, last time I checked they think there are conventional storms on
> > Mars as well....
> > > ...
> > > As this is a speculative matter and not a issue of future planing
> > > I'm gonna
> > > take the liberty of assuming I'm not completely dain-bramaged and
> > > that the
> > > water in the highlands could end up being quite an issue.
> > > Wikipedia is saying;
> > > "Current models of the planet's interior imply a core region about
> > > 1,480 km
> > > in radius, consisting primarily of iron with about 14 17% sulfur.
> > > This iron
> > > sulfide core is partially fluid, and has twice the concentration of
> > > the
> > > lighter elements than exist at Earth's core. The core is surrounded
> > > by a
> > > silicate mantle that formed many of the tectonic and volcanic
> > > features on
> > > the planet, but now appears to be inactive. The average thickness of
> > > the
> > > planet's crust is about 50 km, with a maximum thickness of 125 km.[27]
> > > Earth's crust, averaging 40 km, is only one third as thick as Mars
> > > crust,
> > > relative to the sizes of the two planets."
> > > So until I get a better idea of exotectonics the understanding I
> > > have so far
> > > says that it might not be geological activity that's circulating the
> > > water.
> > > I've got a bastardized Velikovsky-like idea ("Velikovsky would
> > > rebuild the
> > > science of celestial mechanics to save the literal accuracy of ancient
> > > legends") that has Mars being hit "ballistically" by an object that
> > > strikes
> > > it like a bullet hits an apple.
> > > Phobos, Demos, a bunch of meteors so the Eskimo's can have a few metal
> > > harpoon tips... and a bunch of water splashed outta the ocean basin
> > > up onto
> > > the highlands to get frozen in pretty quickly as the "bullet" took the
> > > atmosphere with it...
> > > Great.
> > > Now I'm back to projectiles in a rough vacuum at 1/3rd earth
> > > gravity...
> > > Of course if their teraforming via greenhouse gas emitters
> > > (factories even)
> > > then over time the friction is gonna increase but I'd rather carve
> > > giant
> > > chuncks of heavy gas out where its frozen and lob snowballs at Mars
> > > till she
> > > has a little blanket.
> > > Maybe even park Pluto on her.
> > > I'm not a very patient creator... I like to muck about in things...
> > > part
> > > seas and whatnot from time to time.
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