ring system
cosmic dust and debris orbiting an astronomical body
rings of Saturn
planetary phenomena
asteroid belt
the circumstellar disk (accumulation of matter) in an orbit around Sun between those of Mars and Jupiter
rings of Jupiter
rings of the planet Jupiter
planetary ring
ring of dust and debris orbiting a planet or planet-scale object
rings of Rhea
proposed system of three narrow dust rings orbiting the moon Rhea
rings of Neptune
rings of the planet Neptune
rings of Uranus
planetary ring
rings of Chiron
proposed ring system around the moon Chiron