The abundance of water and rock in Jupiter as derived from interior models |
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| Authors: | Morris Podolak |
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| Institution: | Princeton University Observatory, Princeton, New Jersey 08540, USA |
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| Abstract: | Models of Jupiter's interior were computed using a new molecular hydrogen equation of state, and a more precise algorithm for computing gravitational moments. Models with H/He ratios of 13.5, 11.25, and 10 were computed, and it was found that the models had rocky cores of 16 to 18 Earth masses and envelopes with 20 to 50 Earth masses of water. Models with temperatures of less than 180°K at 1 bar had water-to-rock ratios which were less than the solar value, thus removing a difficulty of previous computations. Models were also constructed in which rock was put into the envelope in place of water. It was found that, to a good approximation, a given mass of rock will replace an equal mass of water. At present the two cases are indistinguishable. |
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