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Interior Models of Icy Bodies and Prospects of Investigation

Sohl, F. (2010) Interior Models of Icy Bodies and Prospects of Investigation. In: Icy Bodies in the Solar System : IAU Symposium 263 Proceedings of the International Astronomical Union, 5 (Symposium S263). Cambridge University Press. pp. 113-120. ISBN 9780-521-76488-9. ISSN 1743-9213

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Official URL: http://journals.cambridge.org/action/displayIssue?jid=IAU&volumeId=5&issueId=S263


The state of knowledge about the structure and composition of icy satellite interiors has been significantly extended by combining direct measurements from spacecraft, laboratory experiments, and theoretical modeling. Interior models of icy bodies will certainly benefit from future missions to the outer solar system, providing new and improved constraints on the surface chemistry, bulk composition and degree of internal differentiation, possible heterogeneities in radial mass distribution, the presence and extent of liquid reservoirs, and the amount of tidal heating for each target body. Here we summarize geophysical constraints on the interior structure and composition of selected Jovian and Saturnian icy satellites and investigate conditions under which potentially habitable liquid water reservoirs could be maintained. Future geophysical exploration which includes gravitational and magnetic field sounding from low-altitude orbit and close flyby, combined with altimetry data and in-situ monitoring of tidally-induced surface distortion and time-variable magnetic fields, would impose important constraints on the interiors of outer planet satellites.

Document Type:Contribution to a Collection
Title:Interior Models of Icy Bodies and Prospects of Investigation
AuthorsInstitution or Email of Authors
Sohl, F.frank.sohl@dlr.de
Date:6 April 2010
Journal or Publication Title:Icy Bodies in the Solar System : IAU Symposium 263
Refereed publication:Yes
In ISI Web of Science:No
Page Range:pp. 113-120
Fernández, J.A.julio@fisica.edu.uy
Lazzaro, D.lazzaro@on.br
Prialnik, D.dina@planet.tau.ac.il
Schulz, R.rschulz@rssd.esa.int
Publisher:Cambridge University Press
Series Name:Proceedings of the International Astronomical Union
Keywords:astrobiology; conduction; convection; equation of state; icy satellites; interiors; Io; Europa; Ganymede; Callisto; Enceladus; Rhea; Titan; Triton
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben Vergleichende Planetologie (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Physics
Deposited By: Frank Sohl
Deposited On:24 Aug 2010 09:39
Last Modified:24 Aug 2010 09:39

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