동아사이언스

토성의 테가 사라지고 있다

과학동아 1991년 08호

by 160 kilometers in size, and Epimetheus is 140 by 100 kilometers. These and three other small satellites which just skirt Saturn's rings - Atlas, Prometheus and Pandora — may all be coagulations of particles from Saturn's rings. They are small enough for the purpose.These small satellites may also be contributing to the disapperarance, eventually, of Saturn's rings.Of course, 100 million ...