Prometheus (moon)
Appearance
![](http://upload.wikimedia.org/wikipedia/commons/thumb/0/08/Prometheus_12-26-09b.jpg/220px-Prometheus_12-26-09b.jpg)
Prometheus is a moon of Saturn. Prometheus was discovered by Stewart Collins from Voyager 1 photos in 1981. It was named after the god of the same name in Greek mythology. The moon acts as a shepherd satellite for the inner part of Saturn's F ring.