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NASA's Curiosity Rover Finds Signs Of Ancient Water Stream

NASA's Curiosity Rover Finds Signs Of Ancient Water Stream
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September 28, 2012 - The Curiosity Rover has found evidence of an ancient stream that flowed "vigorously" on Mars where the Rover is now exploring, NASA said on Thursday.

NPR reports that this is "definitive proof" that water once existed on Mars.

Stream bed gravels were observed among the rocks on the surface of Mars, according to a statement from NASA.


"From the size of gravels it carried, we can interpret the water was moving about 3 feet per second, with a depth somewhere between ankle and hip deep," said Curiosity science co-investigator William Dietrich of the University of California, Berkeley.

The rock outcrop was named "Hottah" after Hottah Lake in Canada's Northwest Territories, per The Scientific American.

Reacting to the news, American astrophysicist Neil deGrasse Tyson wrote in an email to The Huffington Post:

‎"As a scientist, it's always a good feeling to obtain confirming evidence for something you had strongly suspected was true. Curiosity has just taken us there. But it's an even better feeling to find evidence that conflicts with long-held ideas. Over its usable life, Curiosity will almost surely take us there too." Space.com adds that the discovery doesn't just mean there was water on Mars, but that it flowed in "large volumes" at one time.






Sources and more information:

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NASA's Mars Curiosity rover discovers ancient Streambed on Mars

Written by Guy Webster and D.C. Agle NASA's Jet Propulsion Laboratory Pasadena, CA - NASA's Curiosity rover mission has found evidence a stream once ran vigorously across the area on Mars where the rover is driving. There is earlier evidence for the presence of water on Mars, but this evidence - images of rocks containing ancient streambed...

NASA's Curiosity rover finds ancient streambed on Mars, evidence of 'vigorous' water flow

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NASA Rover Finds Old Streambed on Martian Surface


( via huffingtonpost.com )



1 comments

  • Chillitiger#

    Chillitiger wrote September 28, 2012 11:25:55 AM CEST

    Aren't there frozen ice caps on mars that were discovered decades ago and didn't the first rover scrape the dirt and find frozen water under the soil.
    I never understand when they keep coming out and saying this stuff, it is bleeding obvious that in has and had water!!

 
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