Close up view of Saturn's cratered moon Hyperion

Saturn's Hyperion: A Moon with Odd Craters
1/18/2009
(if not this date go to this link/website and then go to archives link which is on the APOD page lower portion)
http://antwrp.gsfc.nasa.gov/apod/astropix.html

Saturn’s moon Rhea may be the first one to have rings besides some planets

Up until now, rings have been seen around planets. Now there might be evidence of a ring around a moon.
http://www.esa.int/esaSC/SEMY6NK26DF_index_0.html