The most powerful camera showed the presence of water on Mars


"I have no time to hear from my colleagues," You turned on the water on Mars for the thousandth time? ’"- Said planetary scientist Alfred McEwen of the University of Arizona in Tucson. In fact, not only open water. With the most powerful camera that has ever been in orbit of Mars, McEwen and his colleagues found direct evidence of the presence of a liquid, not frozen, water on Mars, which flows in our time, not millions of years ago.

In the video you can see how the Martian summer heat warms the surface enough to liquid water has risen from the depths of the soil and flowed over it, turning it into a dark color. Traces of that number in the thousands, go down the hill for hundreds of meters, freezing under the pressure of the cold winter. And where there is liquid water, perhaps life.

Open seasonally band does not like anything on Mars, according to McEwen and his colleagues at a scientific conference Lunar and Planetary Science Conference. The study was published in the journal Science.

Seasonal behavior bands suggesting that the high temperature melts the ice, forming flows of liquid water. Watching the same areas with a high resolution camera on board the Mars Reconnaissance satellites, the team observed cyclic changes in form as the change of seasons. Dark bands of width of several meters began to spread down the hill from the Martian spring and until the fall (as in the animated picture above). In the cold season, the band disappeared.

"This is strong evidence for the presence of liquid water on the surface of Mars," - said planetary scientist Oded Aharonson of the California Institute of Technology in Pasadena.

Original: News.sciencemag

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