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Originally posted by watch_the_rocks
Mars has absolutely HUGE dust storms that cloud up the ENTIRE surface for months on end.
I thought that was common knowledge?
The reason all these sand ripples - the ones that look like water - are not completely obliterated is because the Martian atmoshere is 0.7 per cent the density of Earths.
You could have 100 k/mh winds but they would move the sand onyl fractionally. Those ripples build up over a long, long time, and as such, the general surface remains relatively flat, thus giving teh appearance of water.
Also, I find those claims of 'forest on mars!' and others complete poppycock.
They are all vertical or semi-oblique photographs that show materoite craters. This site states at the bottom that Mars' atmoshpere contains methane. Wrong.
During recent observations from the ESA Mars Express spacecraft in orbit around Mars, methane was detected in its atmosphere.
Whilst it is too early to draw any conclusions on its origin, exciting as they may be, scientists are thinking about the next steps to take in order to understand more.
The presence of methane has been confirmed thanks to the observations of the Planetary Fourier Spectrometer (PFS) on board Mars Express during the past few weeks. This instrument is able to detect the presence of particular molecules by analysing their 'spectral fingerprints' - the specific way each molecule absorbs the sunlight it receives.
The present 'water' is NOT, repeat, NOT, in liquid form. This site will explain that for you.
But there is 'good evidence' that it has existed in liquid form! Read This!.
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
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.
And now, I will repeat my earlier post:
Have a look at mine, then cop a gawk at the hi-res. That is not a puddle of water!
I am surprised that this debate has gone on so long.
Originally posted by Rasobasi420
Liquid water can't exist in abundance on the martian surface. The only place liquid water exists on the surface is in minute amounts around the edge of underground ice sheets.
Originally posted by StellarX
Originally posted by Darkblade71
Here is an old thread I made about trees on mars, Great pics, check it out Yeah! TREES!!!
Mars rocks, any way you look at it!
Are they really and why do you believe that these are rocks even if they look nothing like rocks. Now i have looked at your past posts and you did not always believe they were 'rocks' so i am wondering what changed your mind?
Originally posted by yougenius
If theres water on mars why don't they show colour pictures to see what liquid?
If theres water on mars why don't nasa take all the gases of mars put them in a chamber and see what they create?
The puddles you are seeing can be red dust that has formed a rock thats smooth, it can be lava from mars' core.
All listen: Why hasn't Nasa evaluated all these things and told us WHY to beleive them?