关于这张图
NASA's Perseverance Mars rover used its abrasion tool to grind down the rock surface at this target, nicknamed "Bellegarde," on Aug. 29, 2021, the 188th Martian day, or sol, of the mission. The abraded patch is 0.4 inches (5 centimeters) in diameter. The mission has nicknamed the rock itself "Rochette" and acquired its first two core samples from it. The rover abrades rocks using a tool on its robotic arm before drilling them in order to clear away dust and weathering rinds, allowing other instruments to study the rocks and determine if scientists want to grab a sample of them. This close-up …
