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F. Nimmo

Editor, AGU Advances

Magnetic field strengths as a function of distance from the Sun for several meteorite samples
Posted inEditors' Highlights

Magnetic Record of Early Nebular Dynamics

by F. Nimmo 17 August 202110 January 2023

Magnetized particles in a meteorite suggest strong magnetic fields in the early solar nebula.

Two models of the surface magnetic field of Saturn
Posted inEditors' Highlights

Saturn’s Dynamo Illuminates its Interior

by F. Nimmo 5 May 202115 March 2022

Saturn’s oddly symmetrical magnetic field can be explained by models in which the active dynamo region is overlain by a thick, stable layer cooled more strongly at the poles.

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.

Image of the Jezero delta on Mars
Posted inEditors' Highlights

How Fast Did an Ancient Martian Delta Form?

by F. Nimmo 23 April 202019 September 2023

Terrestrial meander migration rates are used to estimate a formation timescale of decades for Jezero delta on Mars.

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