Toro Crater, Mars - The different colors reflect different mineral composition on the Martian surface. (Taken 12/1/11 by the High Resolution Imaging Science Experiment on NASA's Mars Reconnaissance Orbiter).
Mars is just as magnificent as it is mysterious — that's no secret. And now, thanks to the High-Resolution Imaging Science Experiment (HiRISE) camera aboard NASA's Mars Reconnaissance Orbiter, we now have an unrivaled view of the planet, from its dunes all the way to its clouds.
The icy south pole of Mars takes center stage in this amazing close up from a larger photo of the Martian south pole and cratered Hellas Basin region captured by the European Space Agency's Mars Express orbiter.