Cassini has apparently discovered that Rhea actually has rings!  There are no images yet but what a fascinating idea!

http://saturn.jpl.nasa.gov/news/press-release-details,cfm?newsID=820

Try this link to see whole release as well as an artists rendering.

L

Well the link doesn't work right so try this one:

http://saturn.jpl.nasa.gov 

Or just go to the Cassini web site as the article is on the front page.

L