3D view of trenches on Mars
3D view of trenches on Mars.
NASA's Phoenix Mars Lander has been digging and excavating Martian soil with its nearly 8-foot-long robotic arm. New images, like this one in 3D, show the trenchwork taken on Oct. 7.

To learn more about the image, go to

http://www.jpl.nasa.gov/news/phoenix/images.php?fileID=16591

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