Why does Saturn have rings?
02:33

Why does Saturn have rings?

Key Facts In This Video

  • 1

    Jupiter has 3 faint rings, Neptune has 5, and Uranus has 13. (0:23)

  • 2

    Saturn's rings may have formed after a comet or moon entered its Roche limit. (1:05)

  • 3

    Saturn's rings are almost entirely made of water ice. (1:34)

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