2 papers
astro-ph.EP2025
N-body simulations of the Self-Confinement of Viscous Self-Gravitating Narrow Eccentric Planetary Ringlets
Joseph M. Hahn, Douglas P. Hamilton, Thomas Rimlinger +1
Narrow eccentric planetary ringlets have sharp edges, sizable eccentricity gradients, and a confinement mechanism that prevents radial spreading due to ring viscosity. Most propose…
astro-ph.EP2025
A Survey of Cassini Images of Spokes in Saturn's Rings: Unusual Spoke Types and Seasonal Trends
S. R. Callos, M. M. Hedman, D. P. Hamilton
Spokes are localized clouds of fine particles that appear over the outer part of Saturn's B ring. Over the course of the Cassini Mission, the Imaging Science Subsystem (ISS) obtain…