Rover Rounds Martian Dune to Get to the Other Side

NASA’s Curiosity Mars rover, partway through the first up-close study ever conducted of  extraterrestrial sand dunes, is providing dramatic views of a dune’s steep face, where cascading sand has sculpted very different textures than the wavy ripples visible on the dune’s windward slope. This Dec. 18, 2015, view of the downwind face of “Namib Dune” […]

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Mars Panorama from Curiosity Shows Petrified Sand Dunes

Some of the dark sandstone in an area being explored by NASA’s Curiosity Mars rover shows texture and inclined bedding structures characteristic of deposits that formed as sand dunes, then were cemented into rock. Large-scale crossbedding in the sandstone of this ridge on a lower slope of Mars’ Mount Sharp is typical of windblown sand […]

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NASA Mars Rover Moves Onward After ‘Marias Pass’ Studies

NASA’s Curiosity Mars rover is driving toward the southwest after departing a region where for several weeks it investigated a geological contact zone and rocks that are unexpectedly high in silica and hydrogen content. The hydrogen indicates water bound to minerals in the ground. This low-angle self-portrait of NASA’s Curiosity Mars rover shows the vehicle […]

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