关于这张图
This image of Saturn's rings illustrates how textures in the rings can differ, even in close proximity. The image was taken at a distance of approximately 70,000 miles (113,000 kilometers) from the rings and at a phase angle of 52 degrees. Image scale is 2,300 feet (690 meters) per pixel. https://photojournal.jpl.nasa.gov/catalog/PIA23171
