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 anaglyph was taken by NASA Phoenix Mars Lander Surface Stereo Imager Oct. 7, 2008. The anaglyph highlights the depth of the trench, informally named La Mancha, and reveals the ice layer beneath the soil surface. 3D glasses are necessary.
