A group of scientists of the NASA assures to have evidences of which there are water courses in Mars.Specifically they have studied the craters Palikir, Haley and Horowivh placed in the south hemisphere of the planet.
The exploration has been done by CRISM, an espectómetro of the probe MRO that serves to identify minerals.
To simple sight, key sound join dark spots that can be seen in the most warm epoch (with temperatures of 23 grades under zero) and that disappear at the coldest station. The CRISM has detected from these images the presence of hydrated salt.
The explanation, according to the scientists, is that the Red Planet has water courses that stop flowing when the climate cools down (the salt helps to the water to stay liquid up to a temperature of approximately 70 grades under zero).These courses would be for the mos t part tubes, although a part would go out to the surface and that would explain some of the ruts in the Martian relief that have been observed in this one and other missions.
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