Note to users. If you're seeing this message, it means that your browser cannot find this page's style/presentation instructions -- or possibly that you are using a browser that does not support current Web standards. Find out more about why this message is appearing, and what you can do to make your experience of our site the best it can be.
PLANETARY SCIENCE: Dirty Old Ice Ball Found at Saturn
Richard A. Kerr
When the Cassini spacecraft barreled by Phoebe on its way to Saturn, it showed that Phoebe has had a rough life since Saturn captured it 4.5 billion years ago, and Phoebe's battering has a story to tell about some of Saturn's other satellites.