Results 141 to 150 of about 240,920 (191)
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Planetary Seismology and Interiors
Reviews of Geophysics, 1979The placing of the first seismometer on the Moon by the Apollo 11 astronauts in 1969 started the field of planetary seismology. In the following years five other seismic stations were established on the Moon. The seismic network was operated continuously until all of the ALSEP stations were turned off on 1 October 1977.
M Nafi Toksöz
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Conductivity and Dissociation in Liquid Metallic Hydrogen and Implications for Planetary Interiors [PDF]
Proceedings of the National Academy of Sciences of the United States of America, 2017 Isaac F. Silvera, Mohamed Zaghoo
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Physics of planetary interiors
Icarus, 1985G H A Cole 1984 Bristol: Adam Hilger xiv + 206 pp price £9.95 (paperback) (IOP members' price £7.95) ISBN 0 85274 445 5 A planet, unlike any ordinary star, is a 'cold' body in the sense that its size would not change substantially on being cooled to absolute zero.
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Stability of Planetary Interiors
Geophysical Journal International, 1969Summary Many accept thermal convection within the mantle of the Earth as the driving mechanism for continental drift. It is also of considerable interest to determine whether thermal convection is occurring within Venus, Mars, and the Moon. In this paper a systematic treatment of the stability of planetary interiors is given.
G. Schubert +2 more
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2011
Models of the interior structure of a ▶ planet or ▶ satellite give the variations of thermodynamic state variables as functions of radius (starting at the center) or depth (starting at the surface). The thermodynamic state variables are pressure, temperature, density (or specific volume), and the concentration of chemical species.
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Models of the interior structure of a ▶ planet or ▶ satellite give the variations of thermodynamic state variables as functions of radius (starting at the center) or depth (starting at the surface). The thermodynamic state variables are pressure, temperature, density (or specific volume), and the concentration of chemical species.
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Compressibility and planetary interiors
Physics of the Earth and Planetary Interiors, 1972Important confirmations that the Earth's inner core is solid have recently come from analyses of records of free Earth oscillations and from the apparent detection of the seismic phase PKJKP. Corresponding support is given to the theory which supplied the primary evidence for rigidity in the inner core.
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The Rheology of the Planetary Interior
Journal of Rheology, 1984The mantle of the earth is rheologically similar to an amorphous polymer. The short‐time‐scale behavior in shear is anelastic and rather well described by a constant Q absorption band. The long‐time‐scale behavior is essentially Newtonian viscous and this mode of deformation dominates the material behavior for times in excess of a Maxwell time which is
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2009
a (Sub-planetary) equatorial radius km A Principal equatorial moment of interia kg m b Along-orbit equatorial radius km B Principal equatorial moment of interia kg m c Polar radius km cp Specific heat J K −1 kg C Principal polar moment of inertia kg m Cm Mantle moment of inertia with respect to rotational axis kg m 2 Cn,m, Sn,m Gravitational ...
F. Sohl +3 more
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a (Sub-planetary) equatorial radius km A Principal equatorial moment of interia kg m b Along-orbit equatorial radius km B Principal equatorial moment of interia kg m c Polar radius km cp Specific heat J K −1 kg C Principal polar moment of inertia kg m Cm Mantle moment of inertia with respect to rotational axis kg m 2 Cn,m, Sn,m Gravitational ...
F. Sohl +3 more
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Convection in planetary interiors
Icarus, 1962Die linearisierten Erhaltungssätze für Masse, Energie and Impuls werden für viskose Strömungen in einer heterogenen kompressiblen Flüssigkeitskugel abgeleitet. Dabei kann der Viskositätskoeffizient eine beliebige Funktion des Radius sein. Die Betrachtungen werden im Hinblick darauf angestellt, daß im durch radioaktive Zerfallswärme verflüssigten ...
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