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Originally posted by StellarX
Right around now would be a good time to start. List (with qualification by other scientist) why you disagree with the conclusions of the specialist contracted by NASA....
More specifically, says Miller, the fluctuations in gas emissions seem to be entrained to a 2 degrees C fluctuation inside the lander, which in turn reflected not-quite-total shielding from the 50 degrees C fluctuation in temperature that occurs daily on the surface of Mars. Temperature-entrained circadian rhythms, even to a mere 2-degree C fluctuation, have been observed repeatedly on earth.
www.eurekalert.org...
I know what the word means and and that's why i suggested the site in question. Have you actually looked at it or are you just playing for time?
The links found on that thread say pretty much the same thing...that we don't know for sure if there is or isn't life on Mars.
Please define 'for sure' and what other things you consider 'for sure' as this might just be a question of you demanding that it bites you before admitting it's there.
Yes; the Russians launched it for them and the lander 'failed' [...]
There is overwhelming evidence for liquid water on Mars had you cared to do some research. Why do you refuse to do any?
Recent analyses of ESA's Mars Express data reveal that concentrations of water vapor and methane in the atmosphere of Mars significantly overlap. This result, from data obtained by the Planetary Fourier Spectrometer (PFS), gives a boost to understanding of geological and atmospheric processes on Mars, and provides important new hints to evaluate the hypothesis of present life on the Red Planet.
One possible explanation for the absence of liquid water on the surface of the planet is that Mars, which unlike Earth does not have a protective magnetic field, is being shorn of its surface by the solar wind. An estimated 100,000 kilograms per day of Mars surface material is blown off the planet, according to Stas Barabash, lead scientists for the Mars Express ASPERA-3 experiment, which measures the phenomenon.
www.space.com...
Gibson said definitive proof likely will require a future Mars mission carrying sophisticated drills to penetrate beneath the Mars surface to take samples directly or — a preferred option — to return them to Earth for laboratory evaluation. “Mars is revealing her secrets, but slowly,” Gibson said. “We need those samples or in-situ measurements.”
“We need more work for a final conclusion,” Formisano said, adding: “Life is probably the only source that could produce so much methane. The question is not any more, Was there life on Mars? The question is: Is there life on Mars today?”
Originally posted by StellarX
Didn't you see the mud at the pathfinder landing site?
he he...
dust evolves from an uncountable number of woofs from meteors. Each corn of dust is a part of debris of those woofs. Thank to their pronged surface they get stuck in dry sand if you put pressure, i.e. a footprint, on them. That is why the traces, especially footprints, are well preserved on the surface
It's "rhythm" last i checked so maybe you want to correct your spelling after all these years of careful investigation into these 'rythms'. I am the last one to correct someone elses spelling but i believe it might very well be saying more than you are.
Originally posted by super70
I think its pretty clear what the structures are in the middle of the martian craters,
"snakoid cocoons"
Originally posted by NukeIran87
that they're all of a sudden some classified government base built by aliens and united states government people.
Originally posted by Apass
Well, let's start...with the very same words you used:
I know what the word means and and that's why i suggested the site in question. Have you actually looked at it or are you just playing for time?
I have. And like I said:
fore sure means 100% (or maybe 99.9999%) 50% -50% it's not fore sure, niether 90% - 10%
The point here is that they did send a lander wich had an experiment dedicated to the search for life unlike what Gilbert Levin said. He was missinformed.
Your external source proves nothing like that. Proves that the data reveal water vapor.
it has already been established from Viking photographs that a thin frost does form overnight on certain areas of the martian surface. Unlike many scientists, the Levins believe that this frosty layer does not instantly revert back into water vapor when the Sun rises. They suggest that, in the early hours of the martian morning, the atmosphere more than one meter above the martian surface remains too cold to hold water vapor. So the moisture stays on the ground.
Data from the Mars Pathfinder support this theory, as the Pathfinder temperature readings noted that temperatures one meter above the surface were often dozens of degrees colder than the temperatures closer to the ground.
This layer of cold air, say the Levins, provides a form of insulation, trapping the water moisture below. Since the atmosphere is too cold to hold the water as vapor and the ground is warm enough to melt the ice, the water melts into a liquid. This liquid water, the Levins believe, remains on the surface until the temperature of the atmosphere rises enough to allow the water to evaporate. In this way, they argue, the martian soil becomes briefly saturated with liquid water every day.
"The meteorological data fully confirm the presence of liquid water in the topsoil each morning," says Gilbert Levin. "The black-and-white as well as the color images show slick areas that may well be moist patches."
sse.jpl.nasa.gov...
WASHINGTON -- Researchers using NASA's Mars Global Surveyor spacecraft announced Thursday that they found puzzling signs of water seeping into what appear to be young, freshly-cut gullies and gaps in the Martian surface.
The startling discovery of recently-formed, weeping layers of rock and sediment has planetary experts scratching their heads.
The wet spots show up in more than 120 locations on Mars and in the coldest places on the planet, said Michael Malin of Malin Space Science Systems in San Diego, California, which built the spacecraft's camera.
And that presents a "perplexing problem," he said, because logic says that Mars sub-zero temperatures and thin atmosphere should have kept those wet spots from ever forming.
The wet spots, which turn up in 200 to 250 different images from the Global Surveyor spacecraft, "could be a few million years old but we cannot rule out that some of them are so recent as to have formed yesterday," Malin said.
www.space.com...
On Mars the globally-averaged surface pressure of the planet's atmosphere is only slightly less than 6.1 millibars.
"That's the average," says Haberle, "so some places will have pressures that are higher than 6.1 millibars and others will be lower. If we look at sites on Mars where the pressure is a bit higher, that's where water can theoretically exist as a liquid."
science.msfc.nasa.gov...
New research claims the crust of Mars may harbor up to three times more water than previously thought, providing the latest blow to the tarnished notion that the planet today is a dry, lifeless place.
The study suggests that Mars may have lost far less water to space over time than scientists have believed. That leaves the tantalizing possibility the planet still holds sizable reservoirs of water that future space missions could tap in the search for life.
The paper describing the work, by Arizona State University geochemist Laurie Leshin, comes on the tail of a report last week that vast stores of liquid water may lie just below the surface of Mars.
Leshins work compared the amount of deuterium, a heavy form of hydrogen, found in water in the Martian atmosphere, to that in a meteorite blasted from the planets surface 3 million years ago and discovered in Antarctica in 1994.
Leshin found that ancient water-bearing crystals in the meteorite QUE 94201 were richer in deuterium than expected and thus similar to the water in the planets present-day atmosphere. The unexpected similarity in deuterium ratios suggests the planet has held on to two to three times as much water as previously estimated.
[urlwww.space.com...]Mars Hides Much More Water,Study Suggests[/url]
The findings announced Thursday -- evidence of water seeping to Mars' surface in recently cut gullies -- bridge a gap in the beliefs of astrobiologists, taking them from strong suspicion to near certainty about the existence of liquid water on Mars.
"There's a subtlety between having every reason to believe [water] is there and having this higher level of certainty," said Bruce Jakosky, a professor of geological science at the University of Colorado, and the director of the university's center for astrobiology.
"We now know pretty convincingly that there is liquid water on Mars, and that it's relatively accessible near the surface," he said.
The field of space studies is known to throw curveballs. For instance, scientists last week said the latest evidence of water was found in cooler and darker areas facing away from the equator, while many had previously assumed that liquid water near the surface could only exist in hotter, sun-facing areas.
The discovery of evidence of liquid water on Mars boosts astrobiology.
Rumors about what has been actually identified are about as fluid as liquid itself, from water-ice deposits, concentrations of iron, to Martian springs, and even Old Faithful-like geysers.
www.space.com...
SPACE.com has learned that NASA hasdiscovered evidence of water on the Red Planets surface. The finding, made bythe Mars Global Surveyor spacecraft, fuels hopes that there may be life onMars.
Sources close to theagencys Mars program said the discovery involves evidence of seasonal deposits that could be associated with springs on the planets surface
NASA announces discovery of evidence of water on Mars
from a source you provided in the other thread:
One possible explanation for the absence of liquid water on the surface of the planet is that Mars, which unlike Earth does not have a protective magnetic field, is being shorn of its surface by the solar wind. An estimated 100,000 kilograms per day
A study of the physics of evaporating water by Ron Levin and Weatherwax show that ice on the surface of Mars may melt into liquid water under Martian solar illumination.
Other factors must be taken into account too. These include the density of air on Mars, the planet's gravity, weaker transfer of energy by convection, and wind factors. While they admit their work is theoretical and can be counterintuitive, the ultimate conclusion of their study: "There are no physical reasons prohibiting the availability of liquid water on the surface of Mars."
Biologically significant amounts of liquid water can currently exist on the surface of Mars, Levin and Weatherwax stated. "The previously presumed unavailability of liquid water is not a reason to rule out the existence of microbial life on current day Mars," the team reported.
www.space.com...
from the same source
Gibson said definitive proof likely will require a future Mars mission carrying sophisticated drills to penetrate beneath the Mars surface to take samples directly or — a preferred option — to return them to Earth for laboratory evaluation. “Mars is revealing her secrets, but slowly,” Gibson said. “We need those samples or in-situ measurements.”
that is we don't know "for sure"
and another one
Gibson said definitive proof likely will require a future Mars mission carrying sophisticated drills to penetrate beneath the Mars surface to take samples directly or — a preferred option — to return them to Earth for laboratory evaluation. “Mars is revealing her secrets, but slowly,” Gibson said. “We need those samples or in-situ measurements.”
that is we don't know "for sure"
and another one
“We need more work for a final conclusion,” Formisano said, adding: “Life is probably the only source that could produce so much methane. The question is not any more, Was there life on Mars? The question is: Is there life on Mars today?”
CNN) -- A reexamination of data from a 1997 mission to Mars suggests that the surface contains chlorophyll, a discovery that could bolster prospects of finding life on the planet.
Chlorophyll, the molecule that plants and algae use to convert sunlight into food, gives all photosynthetic organisms on our planet their distinguishing green color.
A NASA team plans to share their preliminary findings early next week during an international conference of astrobiologists, or scientists who study the possibility of life beyond Earth.
The researchers, Carole Stoker and Pascal Ashwanden, both work at NASA's Ames Research Center in California, which is hosting the Second Astrobiology Science Conference from April 7 to April 11.
archives.cnn.com...
CAMSR Executive Director, Barry E. DiGregorio has written an exclusive article about his discovery in the September issue of Spectroscopy magazine. Why is the discovery of organic pigments on Mars so important for the science of exobiology?
Because it might still be there today and perhaps that is what Dr. Gilbert V.Levin and Dr. Patricia Ann Straat found in their experiment 24 years ago with NASA's Viking Mars spacecraft. On Mars, during the Hesperian period of postulated oceans, lakes and rivers, there would have been sufficient energy input from solar radiation to support life with the characteristics of the cyanobacteria that dominate many terrestrial and aquatic habitats on Earth, e.g. the cold deserts in Antarctica. The key to the survival of cyanobacteria are in part due to the pigments they have such as:
* Chlorophyll for converting solar radiation into food (photosynthesis).
* Cyanobacteria can tolerate the extreme damaging effect of solar UV-B by synthesising a variety of protecting pigments which either screen or prevent the effect of the radiation, such as phycocyanin, scytonemin, mycosporine- like amino acids, carotenoids and isoprenoids.
www.spacedaily.com...
Harvard astronomer whose spectroscopic studies of Mars in 1956 and 1958 appeared to support the hypothesis of Martian plant life.1, 2, 3, 4 From infrared measurements made using a photoconductive cell, cooled by liquid nitrogen to make it more sensitive, he reported strong absorption bands in the spectrum of the dark areas of Mars which he interpreted as being due to organic compounds, and in particular the presence of plants. Although his results led to much excitement, they were also controversial and open to interpretation. In 1963 an alternative explanation was put forward in terms of compounds in the Earth's atmosphere,3 and by 1965 Sinton himself agreed that two of his observed bands were caused by terrestrial atmospheric 'deuterated' water (HDO).4 Another strong proponent of plant life on the surface of Mars was the Soviet astronomer Gavriil Tikov.
www.daviddarling.info...
Imre Friedmann and his team of researchers from the NASA Ames Research Center point out that the magnetite crystals inside ALH84001 form chains with gaps between t hem, resembling a string of pearls. These crystal chains are difficult to explain without the presence of life: "Such a chain of magnets outside an organism would immediately collapse into a clump due to magnetic forces," Friedmann explains. The other researchers, led by Kathie Thomas-Keprta of the NASA Johnson Space Center, offer supporting evidence: they note that the magnetite crystals inside the meteorite are both physically and chemically identical to those found in terrestrial magnetotactic bacteria—organisms that use a string of magnetic crystals inside their bodies to navigate, much like an internal compass. If these crystals are in fact remains of magnetotactic bacteria, they are not only definite proof of past life on Mars but evidence of the oldest life ever found. --Harald Franzen
www.sciam.com...
Originally posted by Apass
I saw the pictures from the landing site. And by the way, it wasn't pathfinder.
marsrovers.nasa.gov...
It was from Spirit.
Squyres described as "bizarre, really weird" the way in which the crater floor seems to have responded to the dragging of the rover's airbags, which deflated after the lander bounced down onto the surface after being released from its parachute. "I don't understand it," he said. Surface pebbles seem to have been squished into the soil around the lander, which appears like layers of cohesive material. "It looks like mud, but can't be mud. It looks like when it is scrunched, it folds up," said Squyres, who added, "This is something I have never seen before."
www.news.cornell.edu...
But where's the mud?
If there's mud...than this means that this also si mud:
Well...I guess not and
Scientists were also surprised by how little the soil was disturbed when Spirit's robotic arm pressed the Moessbauer spectrometer's contact plate directly onto the patch being examined. Microscopic images from before and after that pressing showed almost no change. "I thought it would scrunch down the soil particles," Squyres said. "Nothing collapsed. What is holding these grains together?"
www.sciencedaily.com...
You might say that this is valid only for the moon...oh well...do that. For me it's enough.
Thanks to point that out. But as I can see from your location you're from South Africa...and I believe that you speak english as your first language. But that's not the case in Romania, so give me a break!
Like I said on the other thread: If I say that I don't know if there's life on Mars it means just that. It doesn't mean that I say there isn't any life on Mars.
Originally posted by TeH PwNeR
Hello everyone I would like to show you some pictures that i have collected via google.com/mars. here they are, they are of suspicious land formations.
img445.imageshack.us...
Originally posted by Apass
StellarX, I'm still here... doing a research...I hope that tomorrow (worst case) you'll have a post (actualy several long posts) from me.
Originally posted by StellarX
i do not however expect much less than tenacious resistance long after a logical conclusion [...] was apparent
I always assumed it must be something they put in the drinking water
Originally posted by Apass
Now you are geting personal
As for me, I was aware of NASA's position, do not regard their explanation as correct, do continue to regard the bright object evidence as highly anomalous, and here is why....
Obviously, that is not evidence of lighting conditions suitable for very strong light reflectivity and especially not producing such a really strong intense pin point light source. If the sunlight on this object was that strong, it would be reflecting fairly strongly from the bulk of the rest of the object that we know from the official color image is quite light reflective. The fact that this isn't happening in the first image demonstrating the bright light source from a different official image is very telling evidence.
this strip did allow a decent amount of zoom (their mistake)
(from one of those links)
I've included this inverted view because it better demonstrates the image tampering with its lumpy puffy like clouds look and texture and the fact that it is essentially a featureless application with no geological detail in it clearly having no parallel in natural geology.
(again from one of the links above)
In certain circumstances, the fact that we are presented with incomplete information, as is always the case with two dimensional pictures, leads to inappropriate conclusions.
The rest of our understanding draws upon our knowledge of the real world, lit from above, with objects in front obscuring those behind, those closer appearing larger, etc.
The two lists of images and titles are the basis for a simple experiment that can demonstrate that how we name images affects how we remember them and also how we might draw what we remember. Note that each list has identical images. What differs is simply the label that is attached to each image.
Now UA researchers propose an alternative explanation involving carbon dioxide erosion. They point to several reasons why CO2 is a better candidate than water in gully formation.
One reason is that most gullies are found in the southern highlands, the oldest and coldest part of the planet, a place where liquid water is least likely to be stable.
Another reason is that the southern hemisphere has more extreme temperature variations throughout the year than does the northern hemisphere [...] The gullies are generally on pole-facing slopes where they receive very little or no sunlight for most of the year.
However, Musselwhite said, the most compelling fact is that gullies always start about 100 meters below the top of the cliff. At that depth, the pressure of the rock overhead is just enough for liquid CO2 to be stable, if the temperature is low enough.
unisci.com...
Treiman suggested the martian gullies might be dry landslides, perhaps formed by wind and not formed by water at all.
"Totally by accident, I saw gullies that looked strikingly like the gullies on Mars," she said.
"If the dry landslide hypothesis for the formation of martian gullies is correct, we might expect to see similar features on the moon, where there is no water," she said. "We do."
"My point is that you can't just look at the Mars gullies and assume they were formed by water. It may be, or may be not. We need another test to know."
www.astrobio.net...
The last objection to a biological interpretation of the LR Mars data is thus met.
The 6.1 mb pressure and 0.01° C temperature phase diagram coordinates identifying the triple point were determined for water as a closed, single component system, and in a pure state (that is, no substances other than water are present). On Mars, water exists in an open, multi-component system with atmospheric gases and extensive soil solutes. However, the laws of physics dictate that, when the atmosphere is saturated with water vapor, no net evaporation takes place. Under these conditions, when the temperature is between 0o C and the boiling point, and the total atmospheric pressure is at or above 6.1 mb, any water in the soil will be present in liquid form (Figure 4).
As seen in Figure 5, a melting ice cube standing in an unsaturated Martian atmosphere would generate a flux of water vapor radiating outward in all directions...
The flux would deplete the CO2 around the cube despite the slow diffusion of CO2 toward the cube. An equilibrium would soon be reached in which the air near the cube would consist of water vapor greatly depleted in CO2
Because of low atmospheric densities, the convective heat flux is unable to cool the surface as efficiently as on Earth, where fluxes typically remove 80 to 90% of the net surface radiative flux under convective conditions
... at night the atmosphere at the surface cools, its water vapor capacity diminishes by two orders of magnitude, reaching 100% humidity. The vapor condenses, then freezes, and, along with any falling ice crystals and upwelling sublimate, deposits on the surface.
The frozen water is warmed by partial absorption of the sun’s direct rays and by re-emission in the IR of the sun’s rays which passed through the ice and were absorbed by the underlying surface material.
As vaporization increases, the warming atmosphere immediately above the surface becomes saturated. As the temperature rises above 0°C and until it exceeds the Mars liquid water envelope seen in Figure 3, the water vapor pressure exceeds the triple point. The water vapor is restricted from rising by the cold air above the vapor-saturated surface layer, which may be only millimeters or centimeters thick. As the sun continues to rise (Figure 8), the ice heats faster than the vapor can rise into the cold air just above the saturated layer. The saturated layer prevents further evaporation,
The result is water moisture released and trapped in the warming surface soil.
.
Absorption of sunlight was reduced by latitudinal effects. However, rock surfaces oriented and inclined at the angle of their latitude will thus compensate for this effect in local, but significant, areas with respect to microbial habitats.
Assuming the entire 10 um of precipitable water in the form of ice covers one cm2 of surface and that it evaporates in one minute
Winds measured at the VL-1 site at this same season 11 Mars years earlier (1976) were generally weak (