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In 2000, an experiment was conducted to test this theory using a chunk of labradorite, a mineral very commonly found in Martian soil. The labradorite was put in a test tube which was filled with gases composed very similar to the atmosphere on Mars. To mimic temperature, the tube was chilled to a typical Mars-like minus 76 degrees Fahrenheit. Then the scientists exposed the tube and labradorite to ultraviolet light to mimic the effects of sunlight on Mars. There isn't an ozone layer on Mars like ours, the Martian ozone layer is very thin. Because of this, a lot of ultraviolet radiation gets through the Martain atmosphere to the surface. After the experiment had run for a week the sample was analyzed. The scientists were looking for negatively charged oxygen molecules that are capable of causing iron oxidation even with no water present.
Sure enough, the molecules were there, proving the theory.
Originally posted by Thill
Those "drops" have a definite height (hard to explain) , and somehow I doubt water can "grow" from day to day(meaning , there is more and more o those dots , every day)
Originally posted by mr-lizard
But surely this would prevent any sample from returning to earth, in fear of contamination with alien substance.
Or would it?
Someone educate me.
NASA's Phoenix lander may have captured the first images of liquid water on Mars - droplets that apparently splashed onto the spacecraft's leg during landing, according to some members of the Phoenix team.