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Originally posted by zorgon
Hmmm so you don't know... its PROBABLY just dust... and the Winds of Mars have the ability to sort sand and dust into various colors and place them so that they look like lakes...
I don't know if that is a frozen water lake, but I think that it probably is.
Seeing as you did not comment on that one being dust, I logically assume that you know full well that it is indeed a lake with frozen di-hydrogen oxide that at least for short periods will warm enough to thaw.
Originally posted by ArMaPI don't know if that is a frozen water lake, but I think that it probably is.
Originally posted by zorgon
I just finished the Nazi saucer/alternate technology section so I can now put together the Martian Water collection pages.. Any particular avatar you want to use?
Sprry, there is no snow on Mars. If there was, we'd all be living there. For snow to fall down on, it can't be too warm and it can't be too cold. It falls at somewhat a temperature of 0°C to -5°C MAX. The last time I checked, Mars' temperature was higher than that. A lot higher than that.
Originally posted by SkyWay
It would help in determining if there are forests on Mars if the original photos were in color. If we can take satellite photos of Earth in color we should have color photos of Mars.
Originally posted by V Kaminski
For WOGIT: Google Mars Some of the ESA photos over the last year or so do show "green" in Valles Marinaris. Too bad the pixel per meter count is so low.
Originally posted by zeeon
We, of this website, obviously have open minds, or we wouldn't be here.
I've seen a plethora of threads on this subject recently - and I find myself asking - what does it amount to? NOTHING!
If it offends you, it wasn't directed personally.
There is an abundance of vegetation on the far side which can be seen on numerous photos that have been posted in John Lears Moon Photos on ATS and thelivingmoon.com. NASA was very careful to limit the photos available in color to the public to avoid giving them the impression that this might be true. But careful examination of the pictures that we have posted will reveal the fact that there is vegetation.
Originally posted by zorgon... so I will go with that for now until Matt gets the spaceship finished
Originally posted by undo
or this www.thestargates.com...
once you get it to work, i'll put my old avatar back on.
[edit on 23-4-2007 by undo]
"I'm quite serious when I say have a really good look at these new Mars images," he told an audience last month gathered at the Smithsonian's Air and Space Museum. Talking via phone from his residence in Sri Lanka, Clarke said signs of vegetation seem apparent. One image showed what appeared to him looking like Banyan trees, he said.
In this paper we define and describe morphological features that have colloquially been termed "spiders" and map their distribution in the south polar region of Mars. We show that these features go through a distinct seasonal evolution, exhibiting dark plumes and associated fan-shaped deposits during the local defrosting of the seasonal cap. We have documented the seasonal evolution of the cryptic region and have found that spiders only occur within this terrain. These observations are consistent with a geyser-like model for spider formation. Association with the transparent (cryptic) portion of the seasonal cap is consistent with basal sublimation and the resulting venting of CO2 gas. Also consistent with such venting is the observation of dark fan-shaped deposits apparently emanating from spider centers. Spiders are additionally confined to the polar layered deposits presumably due to the poorly consolidated and easily eroded nature of their upper surface.
A spectacular fossilised forest has transformed our understanding of the ecology of the Earth’s first rainforests. It is 300 million years old.
The forest is composed of a bizarre mixture of extinct plants: abundant club mosses, more than 40 metres high, towering over a sub-canopy of tree ferns, intermixed with shrubs and tree-sized horsetails. Nowhere elsewhere on the planet is it possible to (literally) walk through such an extensive swathe of Carboniferous rainforest.
Chlorophyll detected at Mars Pathfinder landing site?
(Apr. 3, 2002)
The Second Astrobiology Science Conference begins at NASA Ames Research Center on April 7 and surely one of the most intriguing announcements to be made is of the suggested possible detection of chlorophyll at the Mars Pathfinder landing site. These results, to be presented at the poster session by Carol Stoker and Pascal Ashwaden, both of NASA Ames, are summarized in the following abstract from the Conference proceedings:
The Superpan, an image product from the Pathfinder lander camera, is a multispectral panorama of the Pathfinder landing site acquired in 15 wavelengths in the spectral range 440-1100 nm. We have performed an automated search of the Superpan image cubes for the spectral signature associated with chlorophyll. First, images were calibrated to radiance values and then the multispectral images were co-registered to subpixel accuracy. An automated pixel-to-pixel search was performed on a 3-filter set of images (530 nm, 670 nm, 980 nm) to identify pixels where the following condition was met: 530 nm > 670 nm, and 980nm > 670 nm. Thus, we searched for the spectral signature associated with red light absorption by chlorophyll. When this case was met by the search routine, we plotted a full spectrum for the involved pixels and carefully examined the images. The condition was met for small areas in six image cases. All of these cases occur in near field images, where resolution is highest. Four of the cases occur on the spacecraft and appear to be associated with spacecraft structure. Two intriguing cases occur in small areas on the ground near the spacecraft.