关于这张图
This image shows a cylinder of rock the size of a piece of classroom chalk inside the drill of NASA's Perseverance Mars rover. The sample, dubbed "Green Gardens," was taken from a rock called "Tablelands" on the rim of Mars' Jezero Crater. The image was captured by the Mastcam-Z instrument on Feb. 16, 2025, the 1,420th Martian day, or sol, of the mission. Each core the rover takes is about 0.5 inches (13 millimeters) in diameter and 2.4 inches (60 millimeters) long. Data from the rover's instruments indicates that Tablelands is made almost entirely of serpentine minerals, which form when lar…
