Lakes On Mars Existed, Fueling Alien Life Hopes

Posted: Oct 8 2015, 2:09pm CDT | by , in Latest Science News


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Lakes on Mars existed, fueling Alien Life Hopes

A new study says that Mars had long-lasting Lakes.

Mars had long-lasting lakes on its surface a long time ago says a new study published today. Several freshwater lakes within Mars' 96-mile-wide (154 kilometers) Gale Crater have supposed to existed for hundreds or thousands of years at a time or longer. The scientists estimate that the lakes were stable on the ancient surface of Mars for 100 to 10,000 years.

"Observations from the rover suggest that a series of long-lived streams and lakes existed at some point between about 3.8 to 3.3 billion years ago, delivering sediment that slowly built up the lower layers of Mount Sharp," said Ashwin Vasavada, Mars Science Laboratory project scientist at NASA's Jet Propulsion Laboratory in Pasadena, California.

"During the traverse of Gale, we have noticed patterns in the geology where we saw evidence of ancient fast-moving streams with coarser gravel, as well as places where streams appear to have emptied out into bodies of standing water," Vasavada said. "The prediction was that we should start seeing water-deposited, fine-grained rocks closer to Mount Sharp. Now that we've arrived, we're seeing finely laminated mudstones in abundance that look like lake deposits."

The existence of lakes further increases the chances that there is evidence of alien life on Mars left. Now we need to just find it.

The study is based on the discoveries of Curiosity Rover. Since 2012 the trusty rover has explored the Gale Crater.

The new Mars study was published online today (Oct. 8) in the journal Science.

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