The view from the hazard-avoidance camera with and without the clear dust cover.

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Over in Gusev Crater, Spirit had been running low on energy as the martian dust began to cover the rover's solar panels.

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He crested a hill alone, with no cover but the dust kicked up by the storm of bullets still biting into the ground.

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In the foot-well and the wheel arches, scientists found traces of a distinctive mix of chalk, brick dust and concrete used to cover the road leading to the ditch.

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Cocoon Portable features oversized rubberized buttons, a special rubberized back panel cover for protection against sand, dust and water, as well as an integrated carry handle and a retractable slot for the remote control.

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And they fold down to cover the USB ports and microphone jacks, acting as dust covers.

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