Scientists have wondered about the presence of water on Mars

French scientists believe that NASA is wrong in the theory about the presence of liquid water on Mars.

And it’s just an optical illusion.

In 2015, NASA announced the presence of salt water on the surface of the red planet, discovered it was in the summer, which led scientists to the conclusion about the falsity of the theory.

Today, French researchers claim that the liquid on the surface of the Martian mountains in the summer, is an optical illusion that occurs because of the play of light, shadows and the wind that carries the sand. In any case, hope remains discovered in 2016 an icy lake, also found on the surface of the planet.

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