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Astronomy

Why Saturn's Rings Are Thought to Be Relatively Young

Quick fact

Saturn's rings are thought to be less than 100 million years old, meaning they formed as recently as the Cretaceous period, when dinosaurs still roamed Earth.

Why this is interesting

Saturn’s rings are one of the most iconic sights in the solar system, but scientists now suspect they are surprisingly young—perhaps even younger than the dinosaurs. What clues reveal their true age?