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 image was acquired by NASA Phoenix Mars Lander Surface Stereo Imager SSI in the late afternoon of the 30th Martian day of the mission, or Sol 30 June 25, 2008. This is hours after the beginning of Martian northern summer.
