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Image: Mars rover school
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Prototype planetary lander and rover designs in place on simulated Red Planet terrain. Nicknamed the Mars Yard, it is used to test robotic devices on a planetary surface.
The 8 x 8 m terrain 'sandbox', filled with different sizes of sand, gravel and rock, is part of the Planetary Robotics Laboratory at ESA's ESTEC technical centre in Noordwijk, the Netherlands.
Provided by European Space Agency