Results 81 to 90 of about 5,444 (181)

Exoplanet Aeronomy: A Case Study of WASP-69 b’s Variable Thermosphere

open access: yesThe Astronomical Journal
Aeronomy, the study of Earth’s upper atmosphere and its interaction with the local space environment, has long traced changes in the thermospheres of Earth and other solar system planets to solar variability in the X-ray and extreme-ultraviolet ...
W. Garrett Levine   +7 more
doaj   +1 more source

Tropical Cyclones on Tidally Locked Rocky Planets: Dependence on Rotation Period

open access: yesThe Astrophysical Journal
Tropical cyclones occur over the Earth’s tropical oceans, with characteristic genesis regions and tracks tied to the warm ocean surface that provide energy to sustain these storms.
Valeria Garcia   +3 more
doaj   +1 more source

Signature of Vertical Mixing in Hydrogen-dominated Exoplanet Atmospheres

open access: yesThe Astrophysical Journal
Vertical mixing is a crucial disequilibrium process in exoplanet atmospheres, significantly impacting chemical abundance and observed spectra. While current state-of-the-art observations have detected its signatures, the effect of vertical mixing on ...
Vikas Soni, Kinsuk Acharyya
doaj   +1 more source

Radiative Flux from a High-resolution Atmospheric Dynamics Simulation of a Hot Jupiter for JWST and Ariel

open access: yesThe Astrophysical Journal
We present medium-wave (∼0.5–13 μ m) radiative flux distributions and spectra derived from high-resolution atmospheric dynamics simulations of an exoplanet, WASP-121 b. This planet serves to illustrate several important features.
Jagat Kafle   +2 more
doaj   +1 more source

Coupled Planetary Interior and Tidal Evolution

open access: yesThe Astrophysical Journal
We present a new planetary structure/thermal evolution model, designed for use in problems that couple orbital dynamics with planetary structure. We first benchmark our structural/thermal evolution calculations against the MESA stellar evolution code ...
Tim Hallatt, Sarah Millholland
doaj   +1 more source

Radiatively Active Clouds and Magnetic Effects Explored in a Grid of Hot Jupiter GCMs

open access: yesThe Astrophysical Journal
Cloud formation and magnetic effects are both expected to significantly impact the structures and observable properties of hot Jupiter atmospheres. For some hot Jupiters, thermal ionization and condensation can coexist in a single atmosphere, and both ...
Thomas D. Kennedy   +4 more
doaj   +1 more source

Formation of Near-surface Atmospheric Inversion and Surface Inversion in Hothouse Climates

open access: yesThe Astrophysical Journal
A hothouse climate may develop throughout Earth’s history and its warming future, and on potentially habitable exoplanets near the inner edge of the habitable zone.
Jiachen Liu, Feng Ding, Jun Yang
doaj   +1 more source

Atmospheric Dynamics of Hot Exoplanets [PDF]

open access: bronze, 2015
Kevin Heng, Adam P. Showman
openalex   +1 more source

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