NASA's Curiosity rover, giving earthlings a glimpse of its ultimate target, has beamed back spectacular high-resolution photos of the rugged foothills of Mount Sharp, showing a khaki-colored landscape marked by towering hills, gaping canyons, and sand dunes reminiscent of the American Southwest, scientists said Monday.
In one view, the rover photographed a scientifically intriguing transition from relatively flat rock beds made up of water-influenced minerals to steeply inclined unhydrated layers marking a dramatic, geologically sudden discontinuity that signals a major change in martian history.
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