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INTERIOR MODELS OF URANUS AND NEPTUNE
Open accessAbstract
Empirical" models (pressure versus density) of Uranus and Neptune interiors constrained by the gravitational coefficients J 2 , J 4 , the planetary radii and masses, and Voyager solid-body rotation periods are presented.The empirical pressure-density profiles are then interpreted in terms of physical equations of state of hydrogen, helium, ice (H 2 O), and rock (SiO 2 ) to test the physical plausibility of the models.The compositions of Uranus and Neptune are found to be similar with somewhat different distributions of the high-Z material.The big difference between the two planets is that Neptune requires a non-solar envelope, while Uranus is best matched with a solar composition envelope.Our analysis suggests that the heavier elements in both Uranus' and Neptune's interior might increase gradually toward the planetary centers.Indeed it is possible to fit the gravitational moments without sharp compositional transitions.
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Saturn's Gravitational Field, Internal Rotation, and Interior Structure
Anderson, J. D., & Schubert, G. (2007) · Science · doi:10.1126/science.1144835 · Cited by 163
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THE HUNT FOR PLANET NINE: ATMOSPHERE, SPECTRA, EVOLUTION, AND DETECTABILITY
Fortney, J. J., Marley, M. S., Laughlin, G., Nettelmann, N., Morley, C. V., Lupu, R. E., Visscher, C., Jeremic, P., Khadder, W. G., & Hargrave, M. (2016) · The Astrophysical Journal Letters · doi:10.3847/2041-8205/824/2/l25 · Cited by 36
Metadata
- Authors
- Helled, R., Anderson, J. D., Podolak, M., & Schubert, G.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 2010-12-09
- Volume
- 726
- Issue
- 1
- Pages
- 15
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W1963959484
- Cited by
- 255
- References
- 1
- FWCI
- 3.83
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Helled, R., Anderson, J. D., Podolak, M., & Schubert, G. (2011). INTERIOR MODELS OF URANUS AND NEPTUNE. The Astrophysical Journal. https://doi.org/10.1088/0004-637x/726/1/15
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