关于这张图
The channel descending a Martian slope in this perspective view is "Perseverance Valley," which is the study area of NASA's Mars Exploration Rover Opportunity as the rover passes its 5,000th sol, or Martian day, of its mission on the surface of Mars. The view was produced by overlaying an image take from orbit onto a topographic model with five-fold vertical exaggeration to emphasize the shapes on the rim of a large crater that have been cut by the valley on the inboard slope of the rim. The image used is from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Recon…