fusillade762: Ambivalence: So what happened to it?I think the theory is that Mars lost its magnetic field and solar radiation fried the place. Any scienticians feel free to correct me if I'm off base.
redly1: because water is the only liquid in the universe
StopLurkListen: HSA: Feeling like I'm being led into a conclusion.With enough time, other things than water can create the photographs that we're presented.Sure ... but what, if not liquid water? Not shutting you down, this is unsettled science. Which means it's exciting.Wind weathering produces things that look like this:
markie_farkie: I bet we stumble across some kind of primitive trilobite-like fossil before too long.Think of the implications..
fusillade762: FloydA: Ambivalence: So what happened to it?Oh, sorry, my bad.We're cool though, right?I can't believe you drank the whole planet...
towatchoverme: CS Lewis was writing about this in the 1930s and 50s.LinkGo project your American sensibilities elsewhere.
brianbankerus: fusillade762: Ambivalence: So what happened to it?I think the theory is that Mars lost its magnetic field and solar radiation fried the place. Any scienticians feel free to correct me if I'm off base.I'm not a scientician, but I do have an internet degree in doctorology.
TastyEloi: 'Cause I can definitely see some 23rd century version of PETA protesting Martian terraforming because it will kill off the native bacteria.
grinnel: When water formed on earth, was it as vapor in the atmosphere or terrestrial liquid?
Piestar: Ambivalence: So what happened to it?God used it for the great flood, and forgot to put it back when he was done.
cman: Ambivalence: So what happened to it?Probably someone on our planet had some sort of tame-travelling predestination paradox into the past and somehow killed all life on Mars by accident. When it comes to destroying life, we humans are #1
justtray: There is almost certainly life on Mars.There are giant sinkholes in the surface of the planet that are clearly visible. Around these zones, as the seasons change, the amount of Methane in the atmosphere increases signficantly. The only process we know that releases methane into the atmosphere like this is biological.So the question really is, "Why aren't we searching for life on Mars?" We know where to look, and we aren't even trying.
soosh: Marcus Aurelius: Richard Saunders: Just because it's a fluid, does not mean it's water.../or did I not get the memo?Other solvents tend not to wear rock in the same fashion. Mars rock is composed from a lot of silicon and lesser basalts than Earth, but water erosion is distinct from streams of, say, liquid methane. Water is polar; it hydrates silica minerals, and has an astonishing vapor pressure to atomic weight ratio.Meanwhile the chances of Mars getting cold enough to liquefy methane in volume and rain it from the sky in sufficient quantities to erode rock is between slim and none.well sure. but what if it wasn't liquid methane but rather iced tea? didn't think of that, did ya?
FloydA: Ambivalence: So what happened to it?Oh, sorry, my bad.We're cool though, right?
Ambivalence: So what happened to it?
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