关于这张图
This close-up view of a rock target named "Dourbes" was provided by the WATSON (Wide Angle Topographic Sensor for Operations and eNgineering) camera on the end of the robotic arm aboard NASA's Perseverance Mars rover. WATSON took a series of eight fully-shadowed images on Nov. 5, 2021, the 253rd Martian day, or sol, of the mission, and the images were subsequently merged to create this view. Before drilling rocks, the rover abrades the rock surface using a tool on its robotic arm to clear away dust and weathering rinds, allowing other instruments to study the rocks in detail. The abraded patc…