planetary ring JUST WRITTEN FOR YOU
/plænˈtɛri ˈrɪŋ/ · plan-et-a-ry ring
noun
- A ring of ice and rock particles that orbits a planet, typically found in the outer reaches of the solar system. The Hubble Space Telescope captured stunning images of Saturn's planetary ring system.
noun
- A feature of a planet or moon that is characterized by a ring-like structure, often composed of debris or material. The discovery of Jupiter's planetary ring revealed a complex system of ringlets and gaps.
Did you know? The first observation of a planetary ring system was made by Galileo Galilei in 1610, when he observed the rings of Saturn using his telescope.