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NASA Mars Curiosity Rover Finds "Ancient Oasis"



  Mars oasis

What Mars looked like.


Maxim Bocharov

NASA scientists believe that Mars might have had an oasis environment about 3.5 billion years ago, they said on Monday. Evidence of reservoirs scattered in a 1

00-km-wide basin called Crater Gayle was found by a Curiosity rover that found mineral salts mixed with sediment in the rocks.

Now, curiosity is exploring every layer of the Galle Crater and Mountain sharply reveal the history of Mars, which scientists believe may have gone from an underwater landscape with deep lakes to an oasis of shallow pools.

"The streams may have laced the walls of the crater," NASA said Monday, adding "climate fluctuations" changed the environment from wet to desert. Earlier, curiosity found evidence of freshwater lakes on Mars.

"We went to Crater Gayle because he keeps this unique record of changing Mars," said William Rapin of Caltech. "When and how long could Mars support the life of germs on the surface?"


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