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The dynamics and helium distribution in hydrogen-helium fluid planets
Stevenson, D. J.; Salpeter, E. E.
AA(Cornell University, Ithaca, N.Y.), AB(Cornell University, Ithaca, N.Y.)
Astrophysical Journal Supplement Series, vol. 35, Oct. 1977, p. 239-261. (ApJS Homepage)
Publication Date:
Lunar and Planetary Exploration
NASA/STI Keywords:
Abundance, Gas Giant Planets, Helium, Planetary Evolution, Convective Heat Transfer, Jupiter (Planet), Metallic Hydrogen, Phase Transformations, Planetary Structure, Planetology, Saturn (Planet)
Bibliographic Code:


The simple case of a homogeneous planet without first-order phase transitions is considered and an investigation is conducted concerning a pure hydrogen planet in which a first-order phase transition takes place from fluid molecular hydrogen to fluid metallic hydrogen. Attention is also given to convection in the presence of a compositional gradient, the effects of helium insolubility in a cooling hydrogen-helium planet, a hydrogen-helium planet in its early evolution, and the case in which influence of phase transition occurs much later in the evolution of the planet.

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