How Saturn shakes its rings

As well as its moons, Saturn itself can create "waves" in its rings. Credit: NASA / JPL / Space Science Institute
As well as its moons, Saturn itself can create “waves” in its rings.
Credit: NASA / JPL / Space Science Institute

Saturn’s rings are one of the most beautiful sights in the solar system. They are an amazing planetary phenomenon – countless bits of rock, ice and dust orbiting the planet in relatively paper-thin rings, which, when seen from above, kind of look like a giant vinyl record (remember those?). Saturn’s many moons can affect the rings’ appearance due to their gravitational pull. Now, new research shows how Saturn itself can do this also, essentially “shaking” its rings.

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