关于这张图
This image of pebble-sized debris in the bit carousel on NASA's Perseverance Mars rover was acquired on Jan. 7, 2022, by the WATSON camera. The image was taken to assist the Perseverance team in diagnosing an anomaly that occurred during a rock sampling on Dec. 29, 2021. A subsystem of the SHERLOC (Scanning Habitable Environments with Raman & Luminescence for Organics & Chemicals) instrument, WATSON can document the structure and texture within a drilled or abraded target, and its data can be used to derive depth measurements. NASA's Jet Propulsion Laboratory built and manages operations of …