Surface of the Red Planet

This is one of the images from NASA's Mars Reconnaissance Orbiter satellite:

Intersecting swirling trails left by the earlier passage of dust devils across sand dunes:

Carrying the most powerful telescopic camera ever flown to another planet, the satellite was launched in August 2005. Older observer satellites flown on previous missions to space were able to identify space objects no smaller than a London bus. But the state-of-the-art camera on-board Orbiter can spot something the size of a dinner table

More fabulous images here.