Mysterious Wobbles in Saturn’s Rings Reveal Clues About Its ‘Fuzzy’ Interior – ScienceAlert

What’s in a gas giant?
No, really. The interiors of Jupiter and Saturn are actually quite difficult to probe. But Saturn’s uniquely glorious and extensive ring system is proving to be an excellent tool for figuring out the densities deep below its thick cloud layers, right down to the core.
That core, according to a new analysis of ‘wobbles’ in Saturn’s innermost main ring, likely isn’t a dense ball of nickel and iron, as currently thought, but a “fuzzy” region of mostly hydrogen and helium, with…

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