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Saturn's Rings as a Seismograph to Probe Saturn's Internal Structure

Mankovich, Christopher R. (2020) Saturn's Rings as a Seismograph to Probe Saturn's Internal Structure. AGU Advances, 1 (2). Art. No. e2019AV000142. ISSN 2576-604X. https://resolver.caltech.edu/CaltechAUTHORS:20200512-104812023

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Abstract

As it has already done for Earth, the Sun, and the stars, seismology has the potential to radically change the way the interiors of giant planets are studied. In a sequence of events foreseen by only a few, observations of Saturn's rings by the Cassini spacecraft have rapidly broken ground on giant planet seismology. Gravity directly couples the planet's normal mode oscillations to the orbits of ring particles, generating spiral waves whose frequencies encode Saturn's internal structure and rotation. These modes have revealed a stably stratified region near Saturn's center and provided a new constraint on Saturn's rotation.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1029/2019AV000142DOIArticle
https://arxiv.org/abs/2007.12703arXivDiscussion Paper
ORCID:
AuthorORCID
Mankovich, Christopher R.0000-0002-4940-9929
Additional Information:© 2020 The Authors. This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made. Received 19 JAN 2020; Accepted 8 MAR 2020. I wish to thank Francis Nimmo, David Al‐Attar, and an anonymous reviewer for their helpful comments on this manuscript. I also gratefully acknowledge support from the Division of Geological and Planetary Sciences at Caltech. Figures 2 and 3 were created with the aid of code by Keaton J. Bell.
Funders:
Funding AgencyGrant Number
Caltech Division of Geological and Planetary SciencesUNSPECIFIED
Subject Keywords:giant planet seismology
Issue or Number:2
Record Number:CaltechAUTHORS:20200512-104812023
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20200512-104812023
Official Citation:Mankovich, C. R. (2020). Saturn's rings as a seismograph to probe Saturn's internal structure. AGU Advances, 1, e2019AV000142. https://doi.org/10.1029/2019AV000142
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:103137
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:12 May 2020 18:33
Last Modified:08 Sep 2020 17:17

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