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Articles
Hydrogen-Helium Mixtures at Megabar Pressures: Implications for Jupiter and Saturn
1 University of California, Lawrence Livermore National Laboratory, Livermore, CA 94550
Models of Jupiter and Saturn postulate a central rock core surrounded by a fluid mixture of hydrogen and helium. These models suggest that the mixture is undergoing phase separation in Saturn but not Jupiter. State-of-the-art total energy calculations of the enthalpy of mixing for ordered alloys of hydrogen and helium confirm that at least partial phase separation has occurred in Saturn and predict that this process has also begun in Jupiter. Submitted on July 8, 1991Accepted on August 22, 1991
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Science. ISSN 0036-8075 (print), 1095-9203 (online)
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