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PWSP 3.0 - Holy crap! Flowing water on MARs.

17 Dec 2013, 18:19 UTC
PWSP 3.0 - Holy crap! Flowing water on MARs.
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Holy crap! Flowing water on Mars. I expect the planetary research budget will double, unless of course @NASA_SLS gobbles it up first. Which it will...Water still flows on Mars, potentially harboring life – and we need to be careful not to contaminate itBy Sebastian Anthony on December 17, 2013 at 9:33 am25 CommentsWater flows freely on the surface of Mars. Wait, what?In recent months, NASA’s Curiosity rover has confirmed that Mars, millions of years ago, used to be covered in free-flowing rivers. According to some new imagery from NASA’s Mars Reconnaissance Orbiter (MRO) and analysis by Alfred McEwen of the University of Arizona, however, it appears that waterstill flows on the surface of Mars today.In the image above, the dark lines are postulated to be caused by the flow of salt water down hills and mountains on Mars. These streaks, officially called ”recurrent slope linea,” appear to ebb and flow with the seasons, growing longer in Mars’ summer months, and then receding in the winter. We have known about these streaks for a few years, and there have been other theories about their formation, but according to McEwen the best explanation is that ice — trapped about a meter underground ...

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