Tuesday, September 29, 2015

Waters of Mars

Mars has flowing rivers of briny water, NASA satellite reveals

Photo by NASA/JPL-Caltech/University of Arizona
Mars has seasonal rivers of flowing water. Note the verb “has” rather than “had”, as in liquid water is a current feature on present-day Mars. In other words, this is not from the distant past — the water is flowing now. What appeared to be a dry void of red-orange rock is wetter than previously thought.

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