关于这张图
NASA's Perseverance Mars rover viewed these rocks using its Mastcam-Z imager on April 27, 2021, the 66th Martian day, or sol, of the mission. Stitched together from 21 images, this mosaic is not white balanced; instead, it is displayed in a preliminary calibrated version of a natural-color composite, approximately simulating the colors of the scene as it would appear on Mars. For scale, the largest piece of rock casting a shadow in the upper right part of the mosaic is about 11 inches (27 centimeters) across, and the entire scene is about 10 feet (3 meters) across. The smallest pebbles and ot…