Water Flows Discovered on Mars?

Ron in Regina

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Cool! Looking at the planet at the beginning of the vid, it sure looks like
some kind of ice cap at the southern(?) pole. Is it too much of a stretch
to picture some form of live (even at the microbial level) eaking out an
existance with flowing water for even some parts of the year?
 

CDNBear

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Sep 24, 2006
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Hey Ton,

I've seen formations very similar to those form before me, in sand dunes, as the sand liquefies (Sans any water) and slides down the face.

Is that a possiblity here too?
 

MHz

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Any chance they could be small dust storm that are caused by just the air being at different temps during that period of the year, wind that had tow temps that vary from almost +27c (noonday high on a slope that is close to 90deg to the sun) and in the deep shadows where it would be close to -100c.
If it was really salty water would the salt not be left on the surface rather than sinking into the ground with the water (or evaporating), that would leave a spot that was lighter in color.

Cool! Looking at the planet at the beginning of the vid, it sure looks like
some kind of ice cap at the southern(?) pole. Is it too much of a stretch
to picture some form of live (even at the microbial level) eaking out an
existance with flowing water for even some parts of the year?
CO2 condenses int dry ice at those extreme temps, Water could never get there as it would condense long before those temps could be reached.

Carbon dioxide - Wikipedia, the free encyclopedia
Above −78.51 °C (−109.32 °F), carbon dioxide changes directly from a solid phase to a gaseous phase through sublimation, or from gaseous to solid through deposition. Solid carbon dioxide is commonly called "dry ice", a generic trademark.

Climate of Mars - Wikipedia, the free encyclopedia
Temperature

Differing values have been reported for the average temperature on Mars,[15] with a common value being −55 °C (−67 °F).[16] Surface temperatures have been estimated from the Viking Orbiter Infrared Thermal Mapper data; this gives extremes from a warmest of 27 °C (81 °F) to −143 °C (−225 °F) at the winter polar caps.[17] Actual temperature measurements from the Viking landers range from −17.2 °C (1.0 °F) to −107 °C (−161 °F).
 

Tonington

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Oct 27, 2006
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Cool! Looking at the planet at the beginning of the vid, it sure looks like
some kind of ice cap at the southern(?) pole. Is it too much of a stretch
to picture some form of live (even at the microbial level) eaking out an
existance with flowing water for even some parts of the year?

I don't think it's too much of a stretch, we have bacteria on earth that withstand extreme conditions. The appropriate name for these bacteria is extremophiles. There is plenty of conjecture amongst astrobiologists that we may find them on Mars.

Hey Ton,

I've seen formations very similar to those form before me, in sand dunes, as the sand liquefies (Sans any water) and slides down the face.

Is that a possiblity here too?

It could be I guess. The Mars Reconnaissance Orbiter has sensors designed to pick up the presence of water, and so far it hasn't. It could be that the amount of water is too small to pick up with the sensors, but I'm not sure what the resolution is for those sensors. I think the reason why some are saying this could be water is due to the seasonal cycle and the temperature dependence of those formations. Though, I think it's better left as a question, rather than a statement that water has been found.
 

Dexter Sinister

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Very interesting. Seems likely that water would have to be pretty saline to be liquid under Martian conditions, which of course doesn't preclude extremophiles. I'll be most interested to see how this turns out.
 

eanassir

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No reply to my post: because it is the alternate theory :D
Ha ha ha
http://forums.canadiancontent.net/a...4-mars-inhabited-post1459073.html#post1459073

I consulted God in the Quran about you:

(Alif, Lam, Miem, Ra. That means: Recite To people, O Mohammed, the Messenger. (R.T.M.M.)
(Those signs of revelation of the Scripture [the Quran].
The [Quran] which has been revealed to you [Mohammed] from your Lord is the truth,
but most people believe not.)

The above between brackets is the explanation of the aya 13: 1 (which came as an answer to my consultation.)
المر تِلْكَ آيَاتُ الْكِتَابِ وَالَّذِيَ أُنزِلَ إِلَيْكَ مِن رَّبِّكَ الْحَقُّ وَلَكِنَّ أَكْثَرَ النَّاسِ لاَ يُؤْمِنُونَ

The journey to Mars is successful
 

Dexter Sinister

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And you think this lends some credibility to your claims that there are people on Mars? It doesn't, and there aren't. You've still got nothing with any scientific credibility. You can't cite the Quran in support of its claims about itself, it means no more than it would if I posted a claim that everything I've ever posted here is absolutely true and correct then cited that post in support of myself. It's called being self-referential, and it's not a legitimate argument.
 
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Cliffy

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It is interesting that when eanassir posted that video yesterday, nobody responded but when Ton posted it, lots responded.

Just sayin'.

As far as I'm concerned, they jury is still out on the life on Mars thing. I'll wait for definitive proof one way or the other.

There are references to alien life visiting Earth in the Bible, so I assume since Mohammed plagiarized that book, he would have put some reference to alien life in his book too. Whether or not that prove the validity of either book, I have my doubts. I mentioned aliens in one or two of my books. Does that make mine divinely inspired too?
 

CDNBear

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Sep 24, 2006
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It is interesting that when eanassir posted that video yesterday, nobody responded but when Ton posted it, lots responded.

Just sayin'.
That's because you can actually have an intelligent conversation with Tonington. Even when you complete disagree with him.
 

Tonington

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Oct 27, 2006
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It is interesting that when eanassir posted that video yesterday, nobody responded but when Ton posted it, lots responded.

I didn't think to look in the Alternate Theories sub-forum. That forum is reserved for "paranormal phenomena, UFO sightings, cryptozoology, etc." I posted my thread in the Science forum, where it belongs. It's not an alternate theory, it's a hypothesis.

More to the point, I don't take findings and twist them to fit a preconceived notion of the universe. I do try to place them in context of the larger body of knowledge. I enjoy discussions about the science. I think that by it's self probably makes my content more approachable.
 

Tonington

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Would lower atmospheric pressure on Mars let water freeze at much lower temperatures?

I wouldn't think it would be much lower. The boiling point changes greatly, as it involves equilibrium between the gas and liquid phase, and gases are greatly affected by the barometric pressure. Freezing not so much. Perhaps Dexter or someone else has a better answer.
 

MHz

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Q & A: Boiling and Freezing points of pure and salty water | Department of Physics | University of Illinois at Urbana-Champaign
For saltwater, the boiling point is raised, and the melting point is lowered. By how much depends on how much salt there is. I'll assume the salt is sodium chloride, NaCl (table salt). The melting point is lowered by 1.85 degrees Celsius if 29.2 grams of salt are dissolved in each Kg of water (called a "0.5 molal solution" of salt. The Na and Cl dissociate right away when dissolved, and so for a 0.5 molal solution of salt, there is a 1.0 molal concentration of ions). The boiling point is raised by 0.5 degrees Celsius for water with 29.2 grams of salt dissolved in each kg of water.



The freezing point of salt water varies depending on how much salt is in the water. For example, water that is 3500 parts per million salt (avg. amount in seawater) will freeze around -2 degrees celsius (28 degrees F). Water with an extreme amount of salt in it, like in some lake waters in Death Valley CA, with 300,000 ppm, will freeze at -20 to -30 degrees C (-4 to -20 degrees F).
 

Dexter Sinister

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I wouldn't think it would be much lower. The boiling point changes greatly, as it involves equilibrium between the gas and liquid phase, and gases are greatly affected by the barometric pressure. Freezing not so much. Perhaps Dexter or someone else has a better answer.
Water will boil at any temperature as soon as the barometric pressure drops below the vapour pressure, which is strongly affected by temperature. That's why it boils at lower temperatures at higher altitudes. In a vacuum it'll boil instantly, but that removes so much heat from the water so quickly that a good portion of it--what doesn't escape as vapour--ends up as ice crystals, which will begin forming at about the usual temperature, around 0°C, and rapidly get colder. Ice formation has more to do with the thermal energy of the water molecules than barometric pressure. Google for a phase diagram of water, you'll see the relationship between temperature, pressure, and what combinations of them produce solid, liquid, or vapour phases. If it's drawn to scale properly, you'll see that at 0°C and below the pressure doesn't much matter, water will always be in the ice phase.