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Related papers: Convection and Mixing in Giant Planet Evolution

200 papers

The composition and internal structure of gas giant exoplanets encode key information about their formation and evolution. We investigate how different assumed interior structures affect the inferred bulk metallicity and its correlation…

Earth and Planetary Astrophysics · Physics 2026-02-11 Lorenzo Peerani , Saburo Howard , Ravit Helled

Probing the interiors of the gas giant planets in our Solar System is not an easy task. It requires a set of accurate measurements combined with theoretical models that are used to infer the planetary composition and its depth dependence.…

Earth and Planetary Astrophysics · Physics 2018-12-19 Ravit Helled

We model the evolution of planets with various masses and compositions. We investigate the effects of the composition and its depth dependence on the long-term evolution of the planets. The effects of opacity and stellar irradiation are…

Earth and Planetary Astrophysics · Physics 2015-06-16 A. Vazan , A. Kovetz , M. Podolak , R. Helled

As gas giant planets evolve, they may scatter other planets far from their original orbits to produce hot Jupiters or rogue planets that are not gravitationally bound to any star. Here, we consider planets cast out to large orbital…

Earth and Planetary Astrophysics · Physics 2015-06-23 Benjamin C. Bromley , Scott J. Kenyon

The heavy element content of giant exoplanets, inferred from structure models based on their radius and mass, often exceeds predictions based on classical core accretion. Pebble drift, coupled with volatile evaporation, has been proposed as…

Earth and Planetary Astrophysics · Physics 2026-01-28 Barry O'Donovan , Bertram Bitsch

Tidal dissipation in planetary interiors is one of the key physical mechanisms that drive the evolution of star-planet and planet-moon systems. New constraints are now obtained both in the Solar and exoplanetary systems. Tidal dissipation…

Earth and Planetary Astrophysics · Physics 2014-07-02 Mathieu Guenel , Stéphane Mathis , Françoise Remus

Recent measurements of Jupiter's gravitational field (by Juno) and seismology of Saturn's rings (by Cassini) strongly suggest that both planets have a stably-stratified core that still possesses a primordial gradient in the concentration of…

Earth and Planetary Astrophysics · Physics 2023-10-26 Bradley W. Hindman , J. R. Fuentes

Giant planets acquire gas, ices and rocks during the early formation stages of planetary systems and thus inform us on the formation process itself. Proceeding from inside out, examining the connections between the deep interiors and the…

Earth and Planetary Astrophysics · Physics 2022-05-10 Tristan Guillot , Leigh N. Fletcher , Ravit Helled , Masahiro Ikoma , Michael R. Line , Vivien Parmentier

Tidal dissipation in planetary interiors is one of the key physical mechanisms that drive the evolution of star-planet and planet-moon systems. New constraints are now obtained both in the Solar and exoplanetary systems. Tidal dissipation…

Earth and Planetary Astrophysics · Physics 2014-10-21 M. Guenel , S. Mathis , F. Remus

During the formation of rocky planets, the surface environments of growing protoplanets were dramatically different from those of present-day planets. The release of gravitational energy during accretion would have maintained a molten…

Earth and Planetary Astrophysics · Physics 2025-09-17 Haruya Maeda , Takanori Sasaki

We used {\sl \textup{ab initio}} molecular dynamics simulations to calculate the high-pressure melting temperatures of the three potential core components. The planetary adiabats were obtained by solving the hydrostatic equations in a…

Earth and Planetary Astrophysics · Physics 2019-10-30 S. Mazevet , R. Musella , F. Guyot

One of the current challenges of planet formation theory is to explain the enrichment of observed exoplanetary atmospheres. Past studies have focused on scenarios where either pebbles or planetesimals were the heavy element enrichment's…

Earth and Planetary Astrophysics · Physics 2023-11-08 Claudia Danti , Bertram Bitsch , Jingyi Mah

Studying exoplanets with their parent stars is crucial to understand their population, formation and history. We review some of the key questions regarding their evolution with particular emphasis on giant gaseous exoplanets orbiting close…

Solar and Stellar Astrophysics · Physics 2015-06-23 Tristan Guillot , Douglas N. C. Lin , Pierre Morel , Mathieu Havel , Vivien Parmentier

Context: Radius and mass measurements of short-period giant planets reveal that many of these planets contain a large amount of heavy elements, in sharp contrast with the expectations of the conventional core-accretion model for the origin…

Earth and Planetary Astrophysics · Physics 2023-07-05 A. Morbidelli , K. Batygin , E. Lega

The evolution of protoplanetary discs embedded in stellar clusters depends on the age and the stellar density in which they are embedded. Stellar clusters of young age and high stellar surface density destroy protoplanetary discs by…

Earth and Planetary Astrophysics · Physics 2017-12-20 Nelson Ndugu , Bertram Bitsch , Edward Jurua

In order to characterize giant exoplanets and better understand their origin, knowledge of how the planet's composition depends on its mass and stellar environment is required. In this work, we simulate the thermal evolution of gaseous…

Earth and Planetary Astrophysics · Physics 2020-11-18 Simon Müller , Maya Ben-Yami , Ravit Helled

We consider the origin of compact, short-period, Jupiter-mass planets. We propose that their diverse structure is caused by giant impacts of embryos and super-Earths or mergers with other gas giants during the formation and evolution of…

Earth and Planetary Astrophysics · Physics 2015-06-23 Shang-Fei Liu , Craig B. Agnor , D. N. C. Lin , Shu-Lin Li

In the standard model of gas giant planet formation, a large solid core (~ 10 times the Earth's mass) forms first, then accretes its massive envelope (100 or more Earth masses) of gas. However, inward planet migration due to gravitational…

Astrophysics · Physics 2009-11-11 Edward W. Thommes , Norman Murray

Close-in giant planets are thought to have formed in the cold outer regions of planetary systems and migrated inward, passing through the orbital parameter space occupied by the terrestrial planets in our own Solar System. We present…

Astrophysics · Physics 2011-02-11 Avi M. Mandell , Sean N. Raymond , Steinn Sigurdsson

The ubiquity of planets and diversity of planetary systems reveal planet formation encompass many complex and competing processes. In this series of papers, we develop and upgrade a population synthesis model as a tool to identify the…

Earth and Planetary Astrophysics · Physics 2015-06-16 S. Ida , D. N. C. Lin , M. Nagasawa