NASA's Curiosity rover has begun investigating one of the most interesting regions so far on its seven-year journey. Scientists call the area the "clay-bearing unit," and sure enough, that name has turned out to be very apt. After drilling two new samples last month, the rover has finally confirmed high amounts of clay minerals, providing further proof that ancient Mars was once much wetter.
.. Continue Reading Curiosity strikes clay in new samples, further proving Mars' watery pastCategory: Space
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from New Atlas (Gizmag) http://bit.ly/2QxwdPb
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