关于这张图
This image taken by NASA's Perseverance rover on Sept. 7, 2021, PDT (Sept. 8, EDT), shows two holes where the rover's drill obtained chalk-size samples from rock nicknamed "Rochette." The hole on the left side is known as "Montagnac" (drilled on Sept. 7), and the hole on the right is known as "Montdenier" (drilled on Sept. 1). A round spot where the rover abraded part of the rock's surface, nicknamed "Bellegarde," is visible under the hole on the right. Tailings (or cuttings) from the Montdenier coring activity slid over Bellegarde. This image in which a rover wheel is visible was taken by on…
