月亮拼图
This Moon-mosaic is comprised of 1,231 images taken by the Lunar Reconnaissance Orbiter’s (LRO) Narrow-Angle Camera (NAC) in the summer of 2018. The LRO team chose each tile from over 10,000 of the highest quality LROC NAC frames by searching for the best match of brightness and gradient (the direction and size of the brightness change across the frame...