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Thread: Water on Mars confirmed?

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    Elite Member greysfang's Avatar
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    Default Water on Mars confirmed?

    NASA seems poised to announce water flows on Mars

    By Michael Pearson, CNN
    Updated 10:50 AM ET, Mon September 28, 2015

    (CNN)NASA appears poised to announce that its researchers have found proof of liquid water flowing on the surface of Mars.

    The agency called a news conference for Monday to discuss what it called a major science finding. While the agency hasn't elaborated, it appears the topic will be new findings from analysis of imagery from the Mars Reconnaissance Rover, confirming that salty water flowing down Martian slopes is responsible for seasonal dark streaks seen in spots on the planet's surface.

    Three of the paper's co-authors are scheduled to speak at NASA's news conference.

    It's not the first discovery of water on Mars.


    Researchers have known for many years that Mars has water frozen at its poles, in its thin atmosphere, and, most recently, in tiny puddles that appear to form at night on the surface.


    But the discovery of flowing water on cold, seemingly barren Mars could herald a breakthrough in the search for life there -- past or present.


    Monday's announcement appears linked to the release of a new paper in which NASA researchers say analysis of imaging from the Mars Reconnaissance Orbitershows that seasonal dark streaks on the Martian surface -- formally called recurring slope lineae -- are the result of briny water periodically flowing across the planet's surface.


    The salt content of the water is important because without it, the water would freeze in Mars' often bone-chilling temperatures.

    Three of the paper's co-authors are participants in Monday's announcement, including lead author Lujendra Ojha, who first stumbled across the streaks in 2011 while studying at the University of Arizona. Ojha and his colleagues theorized at the time that flowing water was the cause of the streaks.

    Another participant in Monday's announcement, Mars Reconnaissance Orbiter chief Alfred McEwen, co-authored the paper, along with NASA researcher Mary Beth Wilhelm and five other scientists.


    The paper doesn't offer an explanation about where the water could be coming from, but suggests several possibilities: It could be melting subsurface ice; it might result from salts widely believed to be in the Martian soil, pulling water out of the thin Martian atmosphere; or possibly liquid is bubbling up from an aquifer, the researchers say.


    In April, McEwen announced research showing that salts in the Martian soil have the ability to grab enough water out of the air to
    form tiny puddles at night. And in March, NASA said Mars may once have had a sea similar to the Atlantic Ocean on Earth. About 87% of that water has been lost to space, researchers said.

    NASA's Mars announcement may be flowing water - CNN.com


    Okay, this will be so cool.
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    Elite Member MohandasKGanja's Avatar
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    Wow, that means there's a chance that Matt Damon could still make it back alive!

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