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Condensed matter physics of planets: Puzzles, progress and predictions

Stevenson, D. J. (1984) Condensed matter physics of planets: Puzzles, progress and predictions. In: High pressure in science and technology : proceedings of the 9th AIRAPT International High Pressure Conference, Albany, New York, U.S.A., July 24-29, 1983. Materials Research Society symposia proceedings. Vol.3. No.22. North-Holland , New York, pp. 357-368. ISBN 9780444009326.

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Despite recent advances in observations, experiment and theory, there are many major unresolved issues concerning planetary interiors. This paper is not a comprehensive review but seeks to highlight these issues. Emphasis is on the cosmically most abundant materials, the dominant constituents of the giant planets. The important issues include: (1) What are the atomic and electronic degrees of freedom in hydrogen at high pressure and temperature and how do they behave? (2) To what extent does helium dissolve in hydrogen? (3) What is the behavior of water at megabar pressures and what is the H_2-H_2O phase diagram? (4) How does carbon behave at high pressures, in the presence of oxygen and hydrogen? (5) What happens to clathrates (e.g. CH_4·5-3/4H_2O) at high pressure? (6) How does the volatile ice assemblage expected in Titan H_2O- NH_3-CH_4-N_2-CO?) behave at P ~ 20-40 kbar? (7) What is the nature of the core alloy in the Earth and the core-mantle phase boundary? (8) What are the electrical conductivities of all of the above?

Item Type:Book Section
Stevenson, D. J.0000-0001-9432-7159
Additional Information:© 1984 Elsevier Science Publishing Co. This work is supported by the NASA Geophysics and Geochemistry program (grant NAGW-185) and the NSF Geophysics program (grant EAR-8206383). Contribution number 3957 of the Division of Geological and Planetary Sciences, California Institute of Technology.
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Caltech Division of Geological and Planetary Sciences3957
Series Name:Materials Research Society symposia proceedings
Issue or Number:22
Record Number:CaltechAUTHORS:20131120-135605341
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:42598
Deposited By: Ruth Sustaita
Deposited On:25 Mar 2014 18:42
Last Modified:03 Oct 2019 06:00

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