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Related papers: Cloud Behaviour on Tidally Locked Rocky Planets fr…

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Observations of scattered light and thermal emission from hot Jupiter exoplanets have suggested the presence of inhomogeneous aerosols in their atmospheres. 3D general circulation models (GCMs) that attempt to model the effects of aerosols…

Earth and Planetary Astrophysics · Physics 2021-03-19 Caleb K. Harada , Eliza M. -R. Kempton , Emily Rauscher , Michael Roman , Isaac Malsky , Marah Brinjikji , Victoria diTomasso

Future telescopes will characterize rocky exoplanets in reflected light, revealing their albedo, which depends on surface, cloud, and atmospheric properties. Identifying these features is crucial for assessing habitability. We present…

Earth and Planetary Astrophysics · Physics 2025-04-09 Giulia Roccetti , Claudia Emde , Michael F. Sterzik , Mihail Manev , Julia V. Seidel , Stefano Bagnulo

Understanding of clouds is instrumental in interpreting current and future spectroscopic observations of exoplanets. Modelling clouds consistently is complex, since it involves many facets of chemistry, nucleation theory, condensation…

Earth and Planetary Astrophysics · Physics 2019-02-13 Chris W. Ormel , Michiel Min

Terrestrial planets at the inner edge of the habitable zone of late-K and M-dwarf stars are expected to be in synchronous rotation, as a consequence of strong tidal interactions with their host stars. Previous global climate model (GCM)…

Earth and Planetary Astrophysics · Physics 2016-03-16 Ravi kumar Kopparapu , Eric T. Wolf , Jacob Haqq-Misra , Jun Yang , James F. Kasting , Victoria Meadows , Ryan Terrien , Suvrath Mahadevan

Sub-Neptunes (planets with radii between 2 and 4 R$_{\oplus}$) are abundant around M-dwarf stars, yet the atmospheric dynamics of these planets is relatively unexplored. In this paper, we aim to provide a basic underpinning of the dry…

Earth and Planetary Astrophysics · Physics 2022-03-04 Hamish Innes , Raymond T. Pierrehumbert

Transmission spectrum surveys have suggested the ubiquity of high-altitude clouds in exoplanetary atmospheres. Theoretical studies have investigated the formation processes of the high-altitude clouds; however, cloud particles have been…

Earth and Planetary Astrophysics · Physics 2020-03-18 Kazumasa Ohno , Satoshi Okuzumi , Ryo Tazaki

We present a new first-principles analytic approach to interpreting eclipses and phase curves of rocky planets. Observations with JWST have reported nondetections of atmospheres around the majority of hot rocky planets orbiting M dwarfs.…

Earth and Planetary Astrophysics · Physics 2026-01-29 Christopher P. Wirth , Diana Powell , Robin Wordsworth

Atmospheric heat redistribution shapes the remote appearance of rocky exoplanets but there is currently no easy way to predict a planet's heat redistribution from its physical properties. This paper proposes an analytical scaling theory for…

Earth and Planetary Astrophysics · Physics 2022-01-21 Daniel D. B. Koll

Thermal tides are atmospheric tides caused by variations in day-night insolation, similar to gravitational tides but with key differences. While both result in delayed mass redistribution, energy dissipation, and angular momentum exchanges…

Earth and Planetary Astrophysics · Physics 2024-10-22 Pierre Auclair-Desrotour , Mohammad Farhat , Gwenaël Boué , Russell Deitrick , Jacques Laskar

Using an idealised general circulation model, we investigate the atmospheric circulation of Earth-like terrestrial planets in a variety of orbital configurations. We relax the common assumption of the planet being tidally-locked, and look…

Earth and Planetary Astrophysics · Physics 2018-12-12 James Penn , Geoffrey K Vallis

Condensation clouds in substellar atmospheres have been widely inferred from spectra and photometric variability. Up until now, their horizontally averaged vertical distribution and mean particle size have been largely characterized using…

Earth and Planetary Astrophysics · Physics 2018-03-28 Peter Gao , Mark S. Marley , Andrew S. Ackerman

We perform Large eddy simulations of turbulent compressible convection in stellar-type convection zones by solving the Navi\'{e}r-Stokes equations in three dimensions. We estimate the extent of penetration into the stable layer above a…

Astrophysics · Physics 2009-06-23 Partha S. Pal , Harinder P. Singh , Kwing L. Chan , M. P. Srivastava

Even if their detection is for now challenging, observation of small terrestrial planets will be easier in a near future thanks to continuous improvements of detection and characterisation instruments. In this quest, climate modeling is a…

Earth and Planetary Astrophysics · Physics 2023-12-20 G. Chaverot , E. Bolmont , M. Turbet

The atmospheres of ultra-hot Jupiters have been characterized in detail through recent phase curve and low- and high-resolution emission and transmission spectroscopic observations. Previous numerical studies have analyzed the effect of the…

Earth and Planetary Astrophysics · Physics 2022-07-28 Thaddeus D. Komacek , Xianyu Tan , Peter Gao , Elspeth K. H. Lee

As part of a series of papers aimed at understanding the evolution of the Milky Way's Central Molecular Zone (CMZ), we present hydrodynamical simulations of turbulent molecular clouds orbiting in an accurate model of the gravitational…

Astrophysics of Galaxies · Physics 2019-04-10 James E. Dale , J. M. Diederik Kruijssen , S. N. Longmore

We compare the properties of clouds in simulated M33 galaxies to those observed in the real M33. We apply a friends of friends algorithm and CPROPS to identify clouds, as well as a pixel by pixel analysis. We obtain very good agreement…

Astrophysics of Galaxies · Physics 2019-03-20 C. L. Dobbs , E. Rosolowsky , A. R. Pettitt , J. Braine , E. Corbelli , J. Sun

The upcoming launch of the James Webb Space Telescope (JWST) means that we will soon have the capability to characterize the atmospheres of rocky exoplanets. However, it is still unknown whether such planets orbiting close to M dwarf stars…

Earth and Planetary Astrophysics · Physics 2020-01-08 Megan Mansfield , Edwin S. Kite , Renyu Hu , Daniel D. B. Koll , Matej Malik , Jacob L. Bean , Eliza. M. -R. Kempton

Clouds are the largest source of uncertainty in climate simulations. For exoplanets, cloud simulation is particularly challenging because of the lack of observational data to tune parameterized cloud models. Here we apply Community Aerosol…

Earth and Planetary Astrophysics · Physics 2026-03-05 Huanzhou Yang , Eric T. Wolf , Cheng-Cheng Liu , Yunqian Zhu , Owen B. Toon , Dorian S. Abbot

Energy limits that delineate the `habitable zone' for exoplanets depend on a given exoplanet's net planetary albedo (or `Bond albedo'). We here demonstrate that the planetary albedo of an observed exoplanet is limited by the above-cloud…

Earth and Planetary Astrophysics · Physics 2025-09-05 Sean Jordan , Oliver Shorttle , Sascha P. Quanz

The circumgalactic medium (CGM) is responsive to kinetic disruptions generated by nearby astrophysical events. In this work, we study the saturation and dissipation of turbulent hydrodynamics within the CGM through an extensive array of 252…

Astrophysics of Galaxies · Physics 2024-06-28 Alex Lv , Lile Wang , Renyue Cen , Luis C. Ho