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Related papers: Next-Generation Improvements in Giant Exoplanet Ev…

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Exoplanets number in their thousands, and the number is ever increasing with the advent of new surveys and improved instrumentation. One of the most surprising things we have learnt from these discoveries is not that small-rocky planets in…

Earth and Planetary Astrophysics · Physics 2021-03-03 H. R. Wakeford , P. A. Dalba

We couple a simplified model for the galactic chemical evolution, with software that models the condensation of dust in protoplanetary disks and software that models the interior structure of planets in order to estimate the effects that…

Earth and Planetary Astrophysics · Physics 2025-07-16 Jason H. Steffen , Cody Shakespeare , Robert Royer , David Rice , Allona Vazan

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

In the present research, we study the effects of a single giant planet in the dynamical evolution of water-rich embryos and planetesimals, located beyond the snow line of systems around Sun-like stars, in order to determine what kind of…

Earth and Planetary Astrophysics · Physics 2018-09-19 Mariana B. Sánchez , Gonzalo C. de Elía , Luciano A. Darriba

Exoplanet surveys have revealed a wide diversity of planetary systems, requiring integrated models of planet formation to explain their origin. Planet population synthesis (PPS) modelling is a key tool for linking theory with the…

Earth and Planetary Astrophysics · Physics 2026-04-21 Tadahiro Kimura , Masahiro Ikoma

The discovery of many exoplanets has revealed an incredible diversity of orbital architectures. These orbital configurations are intrinsically linked to the potential for habitable environments within the system, since the gravitational…

Earth and Planetary Astrophysics · Physics 2025-07-02 Stephen R. Kane , Emma L. Miles

We present updated atmospheric tables suitable for calculating the post-formation evolution and cooling of Jupiter and Jupiter-like exoplanets. These tables are generated using a 1D radiative transfer modeling code that incorporates the…

Earth and Planetary Astrophysics · Physics 2023-09-06 Yi-Xian Chen , Adam Burrows , Ankan Sur , Roberto Tejada Arevalo

Atmospheric compositions for rocky exoplanets will depend strongly on the bulk planetary composition and the orbital position of the planet. Non-traditional gases may be present in the atmospheres of exceptionally hot planets. Atmospheres…

Earth and Planetary Astrophysics · Physics 2021-08-20 Laura Schaefer , Vivien Parmentier

The equation of state for hydrogen and helium is fundamental for studying stars and giant planets. It has been shown that because of interactions at atomic and molecular levels, the behaviour of a mixture of hydrogen and helium cannot be…

Earth and Planetary Astrophysics · Physics 2023-03-29 Saburo Howard , Tristan Guillot

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

We include the effect of evaporation in our evolutionary calculations of close-in giant planets, based on a recent model for thermal evaporation taking into account the XUV flux of the parent star (Lammer et al. 2003). Our analysis leads to…

Astrophysics · Physics 2009-11-10 I. Baraffe , F. Selsis , G. Chabrier , T. S. Barman , F. Allard , P. H. Hauschildt , H. Lammer

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

We present \texttt{ORCHARD}, a publicly available planetary evolution code based on the gas giant evolution code, \texttt{APPLE}, capable of modeling the evolution and structures of terrestrial, super-Earth, sub-Neptune, Neptune, and gas…

Earth and Planetary Astrophysics · Physics 2026-04-29 Roberto Tejada Arevalo , Adam Burrows , Ankan Sur , Yubo Su

Planet formation impacts exoplanet atmospheres by accreting metals in solid form, leading to atmospheric C/O and S/N ratios that deviate from their host stars. Recent observations indicate differing metal abundances in planetary atmospheres…

Earth and Planetary Astrophysics · Physics 2025-05-12 Amy Louca , Yamila Miguel

Over the last twenty years, the search for extrasolar planets revealed us the rich diversity of the outcomes of the formation and evolution of planetary systems. In order to fully understand how these extrasolar planets came to be, however,…

Earth and Planetary Astrophysics · Physics 2014-06-17 D. Turrini , R. P. Nelson , M. Barbieri

The characterization of exoplanetary atmospheres has come of age in the last decade, as astronomical techniques now allow for albedos, chemical abundances, temperature profiles and maps, rotation periods and even wind speeds to be measured.…

Earth and Planetary Astrophysics · Physics 2014-10-13 Kevin Heng , Adam P. Showman

Planetary mass loss is governed by several physical mechanisms, including photoionisation that may impact the evolution of the atmosphere. Stellar radiation energy deposited as heat depends strongly on the energy of the primary electrons…

Earth and Planetary Astrophysics · Physics 2023-09-18 Alexande Gillet , Antonio Garcia Munoz , Antoine Strugarek

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

Exoplanets with substantial Hydrogen/Helium atmospheres have been discovered in abundance, many residing extremely close to their parent stars. The extreme irradiation levels these atmospheres experience causes them to undergo hydrodynamic…

Earth and Planetary Astrophysics · Physics 2019-06-12 James E. Owen