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Probing the Interiors of Planets with Geophysical Tools

Banerdt, W.B. and Dehant, V. and Grimm, R. and Grott, M. and Lognonne, P. and Smrekar, S.E. (2015) Probing the Interiors of Planets with Geophysical Tools. In: Encyclopedia of the Solar System Elsevier. pp. 1185-1204. doi: 10.1016/B978-0-12-415845-0.00055-4. ISBN 978-0-12-415845-0.

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Official URL: http://www.sciencedirect.com/science/article/pii/B9780124158450000554


Understanding the structure and processes of the deep interior of the planets is crucial for understanding their origin and evolution. As deep planetary interiors are inaccessible to direct observation, the most effective way to explore them is through geophysics, which provides tools for “remote sensing” of the interior. The four major classes of geophysical techniques that are used to probe planetary interiors are seismology, geodesy (which includes both gravimetry and planetary dynamics), heat flow, and electromagnetism. Seismology is the most powerful tool available for probing the interior of planets, and can provide detailed information on interior boundaries and clues about composition. Observations of gravity and rotation provide information on the distribution of mass within a planet due to overall structure (crust, mantle, core). Heat flow measurement provides information about the subsurface temperature structure and the energy driving interior processes. Electromagnetic techniques are primarily sensitive to temperature and the presence or absence of fluids or metallic phases.

Item URL in elib:https://elib.dlr.de/101651/
Document Type:Contribution to a Collection
Title:Probing the Interiors of Planets with Geophysical Tools
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Banerdt, W.B.Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USAUNSPECIFIEDUNSPECIFIED
Dehant, V.Royal Observatory of Belgium, Brussels, BelgiumUNSPECIFIEDUNSPECIFIED
Grimm, R.Southwest Research Institute, United StatesUNSPECIFIEDUNSPECIFIED
Lognonne, P.Institut de Physique du Globe, Paris, FranceUNSPECIFIEDUNSPECIFIED
Smrekar, S.E.Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USAUNSPECIFIEDUNSPECIFIED
Journal or Publication Title:Encyclopedia of the Solar System
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 1185-1204
EditorsEmailEditor's ORCID iDORCID Put Code
Keywords:seismology, gravity, rotation, heat flow, electromagnetism, crust, mantle, core, Apollo, Viking
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Exploration of the Solar System
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research
Institute of Planetary Research > Planetary Physics
Deposited By: Rückriemen, Tina
Deposited On:06 Jan 2016 16:11
Last Modified:10 May 2016 23:40

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