The Science Alert reports that the study also shows Saturn’s giant rings are spinning at an average speed of nearly 70 times the speed of sound, but each ring has its own speed, just like the eight planets. of the Solar System rotate at 8 independent speeds. Saturn’s slowest ring is the outermost ring, spinning at 16.4km / s, slower than Saturn’s rotation speed. Personalized A guitarist and the pick of his life live here custom name doormat. Meanwhile the inner ring can reach speeds of up to 23.2km / sec.