关于这张图
NASA's Perseverance rover puts its robotic arm to work around a rocky outcrop called "Skinner Ridge" in Mars' Jezero Crater. Composed of multiple images, this mosaic shows layered sedimentary rocks in the face of a cliff in the delta, as well as one of the locations where the rover abraded a circular patch to analyze a rock's composition. The delta is an area where, billions of years ago, a river once flowed into a lake in Jezero Crater and deposited rocks and sediments in a fan shape. Scientists consider the delta one of the best places on Mars to search for potential signs of ancient microb…
