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Related papers: Comparative Evolution of Jupiter and Saturn

200 papers

Recent formation and structure models of Jupiter suggest that the planet can have composition gradients and not be fully convective (adiabatic). This possibility directly affects our understanding of Jupiter's bulk composition and origin.…

Earth and Planetary Astrophysics · Physics 2018-03-14 A. Vazan , R. Helled , T. Guillot

More than two decades ago, the Galileo probe performed in situ measurements of the composition of Jupiter's atmosphere and found that the abundances of C, N, S, P, Ar, Kr and Xe were all enriched by factors of 1.5--5.4 times their…

Earth and Planetary Astrophysics · Physics 2022-06-20 Artyom Aguichine , Olivier Mousis , Jonathan Lunine

Warm Neptune- and sub-Neptune-sized exoplanets in orbits smaller than Mercury's are thought to have experienced extensive atmospheric evolution. Here we propose that a potential outcome of this atmospheric evolution is the formation of…

Earth and Planetary Astrophysics · Physics 2015-05-12 Renyu Hu , Sara Seager , Yuk L. Yung

Jupiter's gravity field observed by NASA's Juno spacecraft indicates that the density in the 10--100 GPa region is lower than one would expect from a H/He adiabat with 0.5-5x solar water abundance as has been observationally inferred in…

Earth and Planetary Astrophysics · Physics 2025-04-02 Nadine Nettelmann , Jonathan J. Fortney

The nature and structure of the observed east-west flows on Jupiter and Saturn has been one of the longest-lasting mysteries in planetary science. This mystery has been recently unraveled due to the accurate gravity measurements provided by…

Earth and Planetary Astrophysics · Physics 2020-07-08 Yohai Kaspi , Eli Galanti , Adam P. Showman , David J. Stevenson , Tristan Guillot , Luciano Iess , Scott J. Bolton

We compute grids of radiative-convective model atmospheres for Jupiter, Saturn, Uranus, and Neptune over a range of intrinsic fluxes and surface gravities. The atmosphere grids serve as an upper boundary condition for models of the thermal…

Earth and Planetary Astrophysics · Physics 2015-05-20 J. J. Fortney , M. Ikoma , N. Nettelmann , T. Guillot , M. S. Marley

The details of the Solar system's formation are still heavily debated. Questions remain about the formation locations of the giant planets, and the degree to which volatile material was mixed throughout the proto-planetary system. One…

Earth and Planetary Astrophysics · Physics 2013-02-20 Lucyna Kedziora-Chudczer , Jeremy Bailey , Jonathan Horner

We present 'empirical' models (pressure vs. density) of Saturn's interior constrained by the gravitational coefficients J_2, J_4, and J_6 for different assumed rotation rates of the planet. The empirical pressure-density profile is…

Astrophysics · Physics 2009-11-13 Ravit Helled , Gerald Schubert , John D. Anderson

Recent observations of Jupiter and Saturn provided by spacecraft missions, such as Juno and Cassini, compel us to revise and improve our models of giant planet interiors. Even though hydrogen and helium are by far the dominant species in…

Earth and Planetary Astrophysics · Physics 2017-03-30 François Soubiran , Burkhard Militzer , Kevin P. Driver , Shuai Zhang

The composition of Jupiter and the primordial distribution of the heavy elements are determined by its formation history. As a result, in order to constrain the primordial internal structure of Jupiter the growth of the core and the…

Earth and Planetary Astrophysics · Physics 2017-03-08 Michael Lozovsky , Ravit Helled , Eric D. Rosenberg , Peter Bodenheimer

We study the dynamical evolution of Jupiter and Saturn embedded in a gaseous, solar-nebula-type disc by means of hydrodynamics simulations with the FARGO2D1D code. We study the evolution for different initial separations of the planets'…

Earth and Planetary Astrophysics · Physics 2020-02-05 Raul O. Chametla , Gennaro D'Angelo , Mauricio Reyes-Ruiz , F. Javier Sanchez-Salcedo

I report a novel theory that nonuniform viscous frictional force in the solar nebula accounts for the largest mass of Jupiter and Saturn and their largest amount of H and He among the planets, two outstanding facts that are unsolved puzzles…

Astrophysics · Physics 2009-06-25 Liping Jin

The microwave radiometer aboard the Juno spacecraft provided a measurement of the water abundance found to range between 1 and 5.1 times the protosolar abundance of oxygen in the near-equatorial region of Jupiter. Here, we aim to combine…

Earth and Planetary Astrophysics · Physics 2021-09-29 Olivier Mousis , Jonathan I. Lunine , Artyom Aguichine

We carry out a series of high-resolution (1024 X 1024) hydrodynamic simulations to investigate the orbital evolution of a Saturn-Jupiter pair embedded in a gaseous disk. This work extends the results of our previous work by exploring a…

Earth and Planetary Astrophysics · Physics 2015-05-19 Hui Zhang , Ji-Lin Zhou

The properties of hydrogen-helium mixtures at Mbar pressures and intermediate temperatures (4000 to 10000 K) are calculated with first-principles molecular dynamics simulations. We determine the equation of state as a function of density,…

Materials Science · Physics 2009-03-06 M. A. Morales , E. Schwegler , D. M. Ceperley , C. Pierleoni , S. Hamel , K. Caspersen

We carry out a series of high resolution ($1024\times 1024$) hydrodynamical simulations to investigate the orbital evolution of Jupiter and Saturn embedded in a gaseous protostellar disk. Our work extends the results in the classical papers…

Earth and Planetary Astrophysics · Physics 2015-05-18 Hui Zhang , Ji-Lin Zhou

Heavy elements, even though its smaller constituent, are crucial to understand Jupiter formation history. Interior models are used to determine the amount of heavy elements in Jupiter interior, nevertheless this range is still subject to…

Earth and Planetary Astrophysics · Physics 2016-12-14 Yamila Miguel , Tristan Guillot , Lucile Fayon

We review the interior structure and evolution of Jupiter, Saturn, Uranus and Neptune, and giant exoplanets with particular emphasis on constraining their global composition. Compared to the first edition of this review, we provide a new…

Earth and Planetary Astrophysics · Physics 2021-09-22 Tristan Guillot , Daniel Gautier

Updated formation and structure models of Jupiter predict a metal-poor envelope. This is at odds with the two to three times solar metallicity measured by the Galileo probe. Additionally, Juno data imply that water and ammonia are enriched.…

Earth and Planetary Astrophysics · Physics 2024-03-26 Simon Müller , Ravit Helled

The mixing behavior of hydrogen with heavier elements plays a key role in modeling the interiors of giant planets such as Jupiter and Saturn. Using density functional theory combined with molecular dynamics, we investigate hydrogen-neon…

Earth and Planetary Astrophysics · Physics 2026-04-14 Armin Bergermann , Siegfried Glenzer , Arianna Glaeson , Ronald Redmer