This is a picture of some of the women working on the Curiosity rover posing with Curiosity's mobility double, "Scarecrow," used to test drive under different soil conditions in the JPL "Mars Yard."
The JPL Mars Yard is used by the research and flight projects to test different robotic prototypes. This facility provides a large test area and an outdoor environment to test different robotic applications under natural lighting conditions. The soil characteristics are matched to some regions on Mars, and the rock colors, sizes and distribution are intended to match images from our Martian missions.
Image Credit: NASA/JPL-Caltech
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