The rings of Saturn are the most extensive ring system of any planet in the Solar System. They consist of countless small particles, ranging from μm to m in size, that orbit about Saturn. The ring particles are made almost entirely of water ice, with a trace component of rocky material.
Age: 100.1 million years (As Of 2019)
Discovered: 1610
Discoverer: Galileo Galilei
Did you know: Italian scientist Galileo Galilei first discovered the rings of Saturn while looking through the newly invented telescope in 1610.