Würzburg 2018 – wissenschaftliches Programm
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EP: Fachverband Extraterrestrische Physik
EP 2: Planets and small Objects
EP 2.1: Hauptvortrag
Dienstag, 20. März 2018, 11:00–11:30, BSZ - Pabel HS
New insights into Saturn's magnetosphere: Cassini's final results — •Norbert Krupp1, Elias Roussos1, Peter Kollmann2, Don Mitchell2, and Michele Dougherty3 — 1Max-Planck-Institut für Sonnensystemforschung — 2The Johns Hopkins University Applied Physics Laboratory — 3Imperial College London
The Cassini spacecraft orbited Saturn for almost 13 years. One of the scientific goals was the characterisation of the second largest magnetosphere in our solar system. Particles and fields measurements onboard Cassini revealed the three-dimensional structure of the Kronian magnetosphere and its temporal and partially seasonal variability.
In this presentation the highlights of magnetospheric measurements in the Saturnian system are summarised. This includes the importance of the moon Enceladus as the major plasma source of the system; the interaction of magnetospheric plasma with the icy moons and Titan; the discovery of unknown moons, moonlets, ring arcs; the discovery of an unknown electric field as well as first results of the formerly unknown region between the planet and the innermost D-ring of Saturn which Cassini studied during the final phase of the mission in 2017.