Planetary rings can act as seismometers that respond to changes deep within a planet.
Planetary rings
Posted inEditors' Highlights
Using Saturn’s Rings as a Seismometer
The Cassini spacecraft observed spiral density waves in the rings of Saturn which can be used to probe its interior structure and rotation.
Posted inNews
The Cassini Mission May Be Over, but New Discoveries Abound
New analysis of high-resolution images shows ring textures and disruptions within Saturn’s rings in unprecedented detail.
Posted inEditors' Vox
Cassini’s Legacy in Print
With over 750 papers published in AGU journals based on Cassini-Huygens mission data, three editors select some of the most noteworthy.