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planetary rings

The orange moon Titan passes in front of the striped disk of the planet Saturn, with Saturn’s rings seen edge on, forming a thin line between the moon and planet.
Posted inNews

Long-Gone Moon Could Explain Birth of Saturn’s Rings

Damond Benningfield, Science Writer by Damond Benningfield 20 October 202224 May 2023

Named Chrysalis, the moon could have disintegrated during a close encounter with the gas giant roughly 100 million years ago.

The light green planet Uranus sits on a black background. One bright white and many faint white concentric rings encircle the planet face on, and many small white specks, its moons, are scattered across the image.
Posted inNews

Can Uranus’s Rings Reveal the Planet’s Deepest Secrets?

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 17 December 202124 May 2023

Planetary rings can act as seismometers that respond to changes deep within a planet.

Schematic of how oscillations inside Saturn generate spiral density waves in the rings
Posted inEditors' Highlights

Using Saturn’s Rings as a Seismometer

by F. Nimmo 12 May 202024 May 2023

The Cassini spacecraft observed spiral density waves in the rings of Saturn which can be used to probe its interior structure and rotation.

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