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Interior of Europa
Schubert, G. and Sohl, F. and Hussmann, H. (2009) Interior of Europa. In: Europa The University of Arizona Space Science Series. The University of Arizona Press in collaboration with the Lunar Planetary Institute. pp. 353-367. ISBN 978 0 8165 2844 8.
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Abstract
On the basis of Europa’s measured density, quadrupole gravitational coefficients, and shape, it is inferred that the satellite is fully differentiated into a metallic core, silicate mantle, and outer water ice/liquid shell. From measurements of the induced magnetic field due to currents in Europa driven by time variations in the Jovian-directed component of the planet’s magnetic field, it is inferred that there is a global subsurface liquid water ocean within Europa’s outer shell. Geological features are consistent with the existence of a liquid water ocean beneath Europa’s icy surface. This chapter reviews the evidence for the internal structure model of Europa, describes how the structural model is obtained, explains how the existence of the subsurface liquid water ocean is inferred, and discusses the possible composition of Europa’s metallic core, silicate mantle, and subsurface ocean.
| Document Type: | Contribution to a Collection | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Title: | Interior of Europa | ||||||||
| Authors: |
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| Date: | 2009 | ||||||||
| Journal or Publication Title: | Europa | ||||||||
| Refereed publication: | Yes | ||||||||
| In ISI Web of Science: | No | ||||||||
| Page Range: | pp. 353-367 | ||||||||
| Editors: |
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| Publisher: | The University of Arizona Press in collaboration with the Lunar Planetary Institute | ||||||||
| Series Name: | The University of Arizona Space Science Series | ||||||||
| ISBN: | 978 0 8165 2844 8 | ||||||||
| Status: | Published | ||||||||
| Keywords: | Interior, satellites, Europa | ||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||
| HGF - Program: | Space | ||||||||
| 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 Institute of Planetary Research > Planetary Geodesy | ||||||||
| Deposited By: | Frank Sohl | ||||||||
| Deposited On: | 01 Feb 2010 11:57 | ||||||||
| Last Modified: | 01 Feb 2010 11:57 |
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