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Originally posted by Nola213
By the way, has NASA confirmed or denied publically the existance of water on Mars.
If so, did they say there is water or ice on Mars right now?
Soil near the north pole of Mars is surprisingly Earthlike, with a pH not unlike many vegetable gardens, according to preliminary results from the Phoenix Mars Lander.
"You might be able to grow asparagus in it, but strawberries, probably not very well," said Samuel Kounaves, a chemistry professor at Tufts University, during a NASA press conference this afternoon.
Originally posted by fleabit
Fossils are rare. Go take a walk sometime, even in an remote mountain, or hilly countryside, where not many folks go. Look for fossils. See how many you find. Likely, you'll find none. Fossils are formed by pressure. They don't form on the surface. Typically almost all are deposited as sediments by moving water. Subsequent processes hardened them into sedimentary rock, as overlying pressure squeezed the water out and the grains were cemented together. I.E. you are assuming water was a common and abundant resource where these fossils are found. There is a reason that the most abundant fossils found on our own planet are marine fossils.
This is how they form on earth, I doubt they would form different on any planet, it's fairly hard science here. This being the case, I'm quite staggered by the sheer multitude of fossils the incredibly slow moving Mars rover has found. Above ground, and very obvious. Amazing!
I'm curious how many of those colored pictures the OP and folks who support this feel are actual fossils, or how many are questionable, or how many are probably not, but you are keeping an open mind.
Originally posted by Blaine91555
Also, reading this thread got me digging fossils out of boxes where they are gathering dust.
Originally posted by yeti101
reply to post by Oldnslo
Water is still flowing on the surface and if water has been on Mars for billions of years, there is no reason not to suspect that life, in many forms, may have existed throughout this entire period.
no water has been found on the surface of mars. We know mars lost its magnetosphere 4 billion years ago . Bye bye atmosphere & water
we also know the history of mars is violent lots of volcanoes/lava and meteor impacts. The atmosphere is so sterile its likely theres no life on mars.
[edit on 30-8-2008 by yeti101]