火星壁纸
by NASA/JPL-Caltech/University of Arizona/Texas A&M University/CSA
NASA Image Library · 公有领域（Public Domain）
关于这张图
A laser beam from the Canadian-built lidar instrument on NASA Phoenix Mars Lander can be seen in this contrast-enhanced image taken by Phoenix Surface Stereo Imager on July 26, 2008, during early Martian morning hours of the 61st Martian day.
