How long is a day on Rhea?

About 108.4 Earth hours · orbits Saturn every 4.5 days

Saturn's second-largest moon may have its own ring system - the only moon with rings!

Rhea might have its own RINGS! In 2008, scientists found evidence of debris rings around Rhea, making it the only moon known to have rings. If confirmed, it would be rings around a moon around a planet with rings!