关于这张图
This global map of Saturn's moon Mimas was created using images taken during Cassini spacecraft flybys. The moon's large, distinguishing crater, Herschel, is seen on the map at left. The map is an equidistant (simple cylindrical) projection and has a scale of 710 feet (216 meters) per pixel at the equator. The mean radius of Mimas used for projection of this map is 123.2 miles (198.2 kilometers). The resolution of the map is 16 pixels per degree. The update includes new images for almost half of the moon's surface, with new images from two close flybys, in Nov. 2016 and Feb. 2017. The moon's…
