The Perseverance rover photographed the Margin Unit (Mars 2020 mission, sols 1005–1006) in the Jezero Crater. The inset images show spectroscopic mineral data from the rover’s SuperCam instrument suite. Credit: Navcam image: NASA/JPL-Caltech; SuperCam mosaics: NASA/JPL-Caltech/LANL/CNES/CNRS/IRAP