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Related papers: Giant planet interiors and atmospheres

200 papers

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

Astrophysical observations reveal a large diversity of radii and masses of exoplanets. It is important to characterize the interiors of exoplanets to understand planetary diversity and further determine how unique, or not, Earth is.…

Earth and Planetary Astrophysics · Physics 2019-02-06 Caroline Dorn , Dan J. Bower , Antoine B. Rozel

Recent developments of dynamic x-ray characterization experiments of dense matter are reviewed, with particular emphasis on conditions relevant to interiors of terrestrial and gas giant planets. These studies include characterization of…

Earth and Planetary Astrophysics · Physics 2015-05-13 J. J. Fortney , S. H. Glenzer , M. Koenig , B. Militzer , D. Saumon , D. Valencia

Over the past several decades, thousands of planets have been discovered outside of our Solar System. These planets exhibit enormous diversity, and their large numbers provide a statistical opportunity to place our Solar System within the…

Planets of 1-4 times Earth's size on orbits shorter than 100 days exist around 30-50% of all Sun-like stars. In fact, the Solar System is particularly outstanding in its lack of "hot super-Earths" (or "mini-Neptunes"). These planets -- or…

Earth and Planetary Astrophysics · Physics 2015-06-23 Andre Izidoro , Sean N. Raymond , Alessandro Morbidelli , Franck Hersant , Arnaud Pierens

The study of planetary atmospheres is critical to our understanding of the origin and evolution of the Solar System. The combined effect of various physical and chemical processes over billions of years have resulted in a variety of…

Earth and Planetary Astrophysics · Physics 2023-08-01 Athul Pradeepkumar Girija

In this Thesis I studied the formation of the four giant planets of the Solar System in the framework of the nucleated instability hypothesis. The model considers that solids and gas accretion are coupled in an interactive fashion, taking…

Earth and Planetary Astrophysics · Physics 2010-02-11 Andrea Fortier

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

Giant planets are thought to have cores in their deep interiors, and the division into a heavy-element core and hydrogen-helium envelope is applied in both formation and structure models. We show that the primordial internal structure…

Earth and Planetary Astrophysics · Physics 2017-05-03 Ravit Helled , David Stevenson

Hot Jupiters are new laboratories for the physics of giant planet atmospheres. Subject to unusual forcing conditions, the circulation regime on these planets may be unlike anything known in the Solar System. Characterizing the atmospheric…

Astrophysics · Physics 2007-10-17 Adam P. Showman , Kristen Menou , James Y-K. Cho

Interior models of Jupiter and Saturn are calculated and compared in the framework of the three-layer assumption, which rely on the perception that both planets consist of three globally homogeneous regions: a dense core, a metallic…

Astrophysics · Physics 2009-10-31 Tristan Guillot

Atmospheric characterization through spectroscopic analysis, an essential tool of modern exoplanet science, can benefit significantly from the context provided by interior structure models. In particular, the planet's bulk metallicity $Z_p$…

Earth and Planetary Astrophysics · Physics 2019-04-17 Daniel P. Thorngren , Jonathan J. Fortney

Hot giant exoplanets are very exotic objects with no equivalent in the Solar System that allow us to study the behavior of atmospheres under extreme conditions. Their thermal and chemical day--night dichotomies associated with extreme wind…

Earth and Planetary Astrophysics · Physics 2023-01-31 William Pluriel

The wealth of observational data about Jupiter and Saturn provides strong constraints to guide our understanding of the formation of giant planets. The size of the core and the total amount of heavy elements in the envelope have been…

Astrophysics · Physics 2009-11-11 Yann Alibert , Olivier Mousis , Christoph Mordasini , Willy Benz

The characterisation of giant exoplanets is crucial to constrain giant planet formation and evolution theory and for putting the solar-system's giant planets in perspective. Typically, mass-radius (M-R) measurements of moderately irradiated…

Earth and Planetary Astrophysics · Physics 2023-05-01 Simon Müller , Ravit Helled

Giant planets are tens to thousands of times as massive as the Earth, and many times as large. Most of their volumes are occupied by hydrogen and helium, the primary constituents of the protostellar disks from which they formed.…

Earth and Planetary Astrophysics · Physics 2018-12-05 Gennaro D'Angelo , Jack J. Lissauer

'Empirical' models (pressure vs. 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…

Earth and Planetary Astrophysics · Physics 2015-05-20 Ravit Helled , John D. Anderson , Morris Podolak , Gerald Schubert

The study of exoplanetary atmospheres is one of the most exciting and dynamic frontiers in astronomy. Over the past two decades ongoing surveys have revealed an astonishing diversity in the planetary masses, radii, temperatures, orbital…

Earth and Planetary Astrophysics · Physics 2015-06-18 Nikku Madhusudhan , Heather Knutson , Jonathan Fortney , Travis Barman

We present a comprehensive theory of the spectra and atmospheres of irradiated extrasolar giant planets. We explore the dependences on stellar type, orbital distance, cloud characteristics, planet mass, and surface gravity. Phase-averaged…

Astrophysics · Physics 2009-11-07 David Sudarsky , Adam Burrows , Ivan Hubeny

We survey the basic principles of atmospheric dynamics relevant to explaining existing and future observations of exoplanets, both gas giant and terrestrial. Given the paucity of data on exoplanet atmospheres, our approach is to emphasize…

Earth and Planetary Astrophysics · Physics 2009-11-18 Adam P. Showman , James Y-K. Cho , Kristen Menou