火星壁纸
by NASA/JPL-Caltech/University of Arizona/Texas A&M University
NASA Image Library · 公有领域（Public Domain）
关于这张图
This mosaic of images from the Surface Stereo Imager camera on NASA Phoenix Mars Lander shows several trenches dug by Phoenix, plus a corner of the spacecraft deck and the Martian arctic plain stretching to the horizon.
