Basic Astronomy

Scientists discover sign of liquid water on the surface of Mars

28 September 2015: Scientists of NASA announced presence of definitive signs of liquid water on the surface of present-day Mars. This finding will fuel speculation that life, if it ever arose there, could persist even till now.

In a paper published in Nature Geoscience, Lujendra Ojha and his team describeed from sattelite image the presence of narrow streaks of low reflectance compared to the surrounding terrain which appear and grow incrementally in the downslope direction during warm seasons when temperatures reach of the region is about 250-300 K. This pattern is similar as flow of water.











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