Good Gear Guide
NASA's Phoenix Mars Lander: Exploring the arctic p...
This image shows the desolate terrain of the Martian Arctic Plains, with continuous polygonal cracking to be seen in the distance. You can find the full story on the Phoenix Lander here. Image credits: NASA/JPL-Caltech/University of Arizona/Texas A&M
NASA's Phoenix Mars Lander: Exploring the arctic plains of Mars