关于这张图
Before collecting a rock sample at a spot nicknamed "Lefroy Bay," NASA's Perseverance Mars rover employed an abrasion tool to wear down the rock surface and then used the Planetary Instrument for X-ray Lithochemistry, or PIXL, to study the rock's internal chemistry. This image is composed of multiple shots of the abrasion patch, dubbed "Bills Bay," that were taken on Oct. 7 and Oct. 11, 2023, the 935th and 939th Martian days, or sols, of the mission. The image was taken by PIXL's camera, the Autofocus and Context Imager, or ACI. Color was added by overlaying data from WATSON (Wide Angle Topog…
