Ringquake reveals unexpected details about Saturn’s core

Scientists studying data gathered by NASA’s Cassini space probe discovered ripples in Saturn’s rings that could not be explained by Saturn’s moons, leading to speculation that the planet’s core is more soupy than solid – and much larger than previously thought.

Researchers at Caltech published the new study in Nature Astronomy this week revealing that data gathered by the Cassini space probe in 2013 showed distinct, spiraling ripples in Saturn’s innermost ring, known as its D-ring.

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