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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

We discuss our current understanding of the interior structure and thermal evolution of giant planets. This includes the gas giants, such as Jupiter and Saturn, that are primarily composed of hydrogen and helium, as well as the "ice…

Earth and Planetary Astrophysics · Physics 2014-11-20 Jonathan J. Fortney , Nadine Nettelmann

Close-in planets evolve under extreme conditions, raising questions about their origins and current nature. Two predominant mechanisms are orbital migration, which brings them close to their star, and atmospheric escape under the resulting…

Earth and Planetary Astrophysics · Physics 2025-07-14 M. Attia , V. Bourrier , P. Eggenberger , C. Mordasini , H. Beust , D. Ehrenreich

Magnetic fields remain one of the least understood aspects of exoplanetary systems. A deeper understanding of planetary dynamos and the evolution of surface magnetic properties throughout a planet's lifetime is a key scientific purpose,…

Aims: ARCiS, a novel code for the analysis of exoplanet transmission and emission spectra is presented. The aim of the modelling framework is to provide a tool able to link observations to physical models of exoplanet atmospheres. Methods:…

Earth and Planetary Astrophysics · Physics 2020-10-07 Michiel Min , Chris W. Ormel , Katy Chubb , Christiane Helling , Yui Kawashima

We present a new stellar evolution code and a set of results, demonstrating its capability at calculating full evolutionary tracks for a wide range of masses and metallicities. The code is fast and efficient, and is capable of following…

Astrophysics · Physics 2009-11-13 Attay Kovetz , Ofer Yaron , Dina Prialnik

We present the first models of Saturn and Jupiter to couple their evolution to both a radiative-atmosphere grid and to high-pressure phase diagrams of hydrogen with helium. The purpose of these models is to quantify the evolutionary effects…

Astrophysics · Physics 2009-11-10 Jonathan J. Fortney , W. B. Hubbard

Photo-evaporative mass loss sculpts the atmospheric evolution of tightly-orbiting sub-Neptune-mass exoplanets. To date, models of the mass loss from warm Neptunes have assumed that the atmospheric abundances remain constant throughout the…

Earth and Planetary Astrophysics · Physics 2020-06-17 Isaac Malsky , Leslie A. Rogers

We are entering the era of high-precision and high-resolution spectroscopy of exoplanets. Such observations herald the need for robust self-consistent spectral models of exoplanetary atmospheres to investigate intricate atmospheric…

Earth and Planetary Astrophysics · Physics 2017-10-13 Siddharth Gandhi , Nikku Madhusudhan

We have developed a characterization of the geological evolution of the Earths atmosphere and surface in order to model the observable spectra of an Earth-like planet through its geological history. These calculations are designed to guide…

Astrophysics · Physics 2011-03-16 L. Kaltenegger , W. A. Traub , K. W. Jucks

The study of extrasolar planets has rapidly expanded to encompass the search for new planets, measurements of sizes and masses, models of planetary interiors, planetary demographics and occurrence frequencies, the characterization of…

Instrumentation and Methods for Astrophysics · Physics 2016-04-25 I. J. M. Crossfield

The stellar evolution code YREC is outlined with emphasis on its applications to helio- and asteroseismology. The procedure for calculating calibrated solar and stellar models is described. Other features of the code such as a non-local…

Astrophysics · Physics 2008-11-26 P. Demarque , D. B. Guenther , L. H. Li , A. Mazumdar , C. W. Straka

We examine the uncertainties in current planetary models and we quantify their impact on the planet cooling histories and mass-radius relationships. These uncertainties include (i) the differences between the various equations of state used…

Astrophysics · Physics 2014-11-18 I. Baraffe , G. Chabrier , T. Barman

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

Cosmological datasets have great potential to elucidate the nature of dark energy and test gravity on the largest scales available to observation. Theoretical predictions can be computed with hi_class (www.hiclass-code.net), an accurate,…

Cosmology and Nongalactic Astrophysics · Physics 2020-02-13 Emilio Bellini , Ignacy Sawicki , Miguel Zumalacárregui

This article provides an overview of how models of giant planet interiors are constructed. We review measurements from past space missions that provide constraints for the interior structure of Jupiter. We discuss typical three-layer…

Earth and Planetary Astrophysics · Physics 2016-10-19 Burkhard Militzer , Francois Soubiran , Sean M. Wahl , William Hubbard

The key to understanding an extrasolar giant planet's spectrum--and hence its detectability and evolution--lies with its atmosphere. Now that direct observations of thermal emission from extrasolar giant planets are in hand, atmosphere…

Astrophysics · Physics 2007-05-23 Mark S. Marley , Jonathan Fortney , Sara Seager , Travis Barman

Atmospheric characterization of directly imaged planets has thus far been limited to ground-based observations of young, self-luminous, Jovian planets. Near-term space- and ground- based facilities like \emph{WFIRST} and ELTs will be able…

Earth and Planetary Astrophysics · Physics 2018-09-26 Natasha E. Batalha , Adam J. R. W. Smith , Nikole K. Lewis , Mark S. Marley , Jonathan J. Fortney , Bruce Macintosh

In recent years, numerical models that were developed for Earth have been adapted to study exoplanetary climates to understand how the broad range of possible exoplanetary properties affects their climate state. The recent discovery and…

Earth and Planetary Astrophysics · Physics 2021-08-20 Thaddeus D. Komacek , Wanying Kang , Jacob Lustig-Yaeger , Stephanie L. Olson

With the upcoming launch of space telescopes dedicated to the study of exoplanets, the \textit{Atmospheric Remote-Sensing Infrared Exoplanet Large-survey} (ARIEL) and the \textit{James Webb Space Telescope} (JWST), a new era is opening in…