关于这张图
NASA's Perseverance rover took these zoomed-in images of a layered outcrop (just below center of image) nicknamed "Artuby" on June 17, 2021 (the 116th sol, or Martian Day, of its mission), from a little more than a third of a mile (615 meters) away. This mosaic is made up of three images taken by the Remote Microscopic Imager (RMI), part of the rover's SuperCam instrument. Each circular image has a field of view of 37.73 feet (11.50 meters) at this distance. The images were combined using an algorithm that weights the image centers. The outcrop shows evidence of being formed in an ancient lak…