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This paper focuses on computational prediction of aerodynamic and the flow field characteristics for NASA Common Research Model (CRM) in it's High-Lift (HL) configuration in close proximity to the ground. The URANS simulation with the…

Fluid Dynamics · Physics 2022-10-04 Mohamed Sereez , Nikolay Abramov , Mikhail Goman

The global circulation regime of the coolest brown dwarfs, the Y dwarfs, remains largely unexplored. We investigate the interplay between convection, rotation, and cloud thermal feedback using a selected sample of Y dwarf atmospheric…

Solar and Stellar Astrophysics · Physics 2026-04-01 C. Akın , E. K. H. Lee , L. Gkouvelis , K. Heng

Understanding Jupiter's zonal winds is crucial to unraveling the dynamics of its atmosphere. Over the last decades, multiple data sources and techniques have been used to study zonal winds in Jupiter. Here, we develop a correlation-based…

Earth and Planetary Astrophysics · Physics 2026-05-08 Shenghan Ma , Yuming Wang , Tao Li , Quanhao Zhang , Jiajia Liu , Ruobing Zheng

The Venus Life Finder Missions are a series of focused astrobiology mission concepts to search for habitability, signs of life, and life itself in the Venus atmosphere. While people have speculated on life in the Venus clouds for decades,…

Initial results are presented from 3D MHD modelling of stellar-wind bubbles around O stars moving supersonically through the ISM. We describe algorithm updates that enable high-resolution 3D MHD simulations at reasonable computational cost.…

Astrophysics of Galaxies · Physics 2020-10-06 Jonathan Mackey , Samuel Green , Maria Moutzouri

This study employs a high-resolution (10m) System for Atmospheric Modeling (SAM) coupled with the Spectral Bin Microphysical (SBM) scheme to thoroughly investigate the processes governing the evolution of aerosol properties within and…

Atmospheric and Oceanic Physics · Physics 2024-05-28 Yael Arieli , Alexander Khain , Ehud Gavze , Orit Altaratz , Eshkol Eytan , Ilan Koren

With the operation of JWST, atmospheric characterization has now extended to low-mass exoplanets. In compact multiplanetary systems, secular spin-orbital resonance may preserve high obliquities and asynchronous rotation even for…

Earth and Planetary Astrophysics · Physics 2026-01-27 Yanhong Lai , Xianyu Tan , Yubo Su

Life in the clouds of Venus, if present in sufficiently high abundance, must be affecting the atmospheric chemistry. It has been proposed that abundant Venusian life could obtain energy from its environment using three possible sulfur…

Earth and Planetary Astrophysics · Physics 2022-06-15 Sean Jordan , Oliver Shorttle , Paul B. Rimmer

The advent of high-resolution spectroscopy as a method for exoplanet atmospheric characterization has expanded our capability to study non-transiting planets, increasing the number of planets accessible for observation. Many of the most…

Earth and Planetary Astrophysics · Physics 2021-12-22 Isaac Malsky , Emily Rauscher , Eliza M. R. Kempton , Michael Roman , Deryl Long , Caleb K. Harada

Recent research has shown that distinct physical regions in the Venusian induced magnetosphere are recognizable from the variations of strength of the magnetic field and its wave/fluctuation activity. In this paper the statistical…

Earth and Planetary Astrophysics · Physics 2009-01-23 Z. Vörös , T. L. Zhang , M. P. Leubner , M. Volwerk , M. Delva , W. Baumjohann

Neptune-size exoplanets are less studied as characterizing their atmospheres presents challenges due to their relatively small radius and atmospheric scale height. As the most common outcome of planet formation, these planets are crucial…

Earth and Planetary Astrophysics · Physics 2025-03-04 Dwaipayan Dubey , Liton Majumdar , Charles Beichman , Geoffrey A. Blake , Gautam Vasisht , Thomas Henning

The FKDM $k$-distribution technique is applied to parameterize absorption of thermal radiation in the lower and middle atmosphere of Venus, targeting modeling scenarios where the cost of full radiative transfer calculations necessitates…

Earth and Planetary Astrophysics · Physics 2025-12-29 Boris Fomin , Mikhail Razumovskiy

Modeling the outflow of planetary atmospheres is important for understanding the evolution of exoplanet systems and for interpreting their observations. Modern theoretical models of exoplanet atmospheres become increasingly detailed and…

Earth and Planetary Astrophysics · Physics 2021-06-30 P. B. Isakova , Ya. N. Pavlyuchenkov , E. S. Kalinicheva , V. I. Shematovich

Over the past two decades, a coherent picture has emerged of the atmospheric dynamics of hot Jupiters from a combination of three-dimensional general circulation models (GCMs) and astronomical observations. This paradigm consists of hot…

Earth and Planetary Astrophysics · Physics 2025-02-27 Thaddeus D. Komacek

Ground-based and spacecraft telescopic observations, combined with an intensive modeling effort, have greatly enhanced our understanding of hot giant planets and brown dwarfs over the past ten years. Although these objects are all fluid,…

Earth and Planetary Astrophysics · Physics 2020-12-09 Adam P. Showman , Xianyu Tan , Vivien Parmentier

Long-standing unexplained Venus atmosphere observations and chemical anomalies point to unknown chemistry but also leave room for the possibility of life. The unexplained observations include several gases out of thermodynamic equilibrium…

The similarity of Venus and Earth in bulk properties make Venus an appealing target for future colonization. Several proposals have been put forward for colonizing and even terraforming Venus despite the extreme conditions on the planet's…

Instrumentation and Methods for Astrophysics · Physics 2022-03-15 Alex R. Howe

Mass loss from massive stars located in the part of the Hertzsprung-Russell diagram (HRD) where we find luminous blue variables (LBVs) is profoundly important for stellar evolution yet poorly understood. We use time-dependent…

Solar and Stellar Astrophysics · Physics 2026-03-24 P. Schillemans , J. O. Sundqvist , D. Debnath , L. Delbroek , N. Moens , C. Van der Sijpt

Ground based observers have on 5/6th June 2012 the last opportunity of the century to watch the passage of Venus across the solar disk from Earth. Venus transits have traditionally provided unique insight into the Venus atmosphere through…

Earth and Planetary Astrophysics · Physics 2015-06-11 A. García Muñoz , F. P. Mills

We present a significantly updated CO$_2$ altitude profile for Venus (64.2-0.9 km) and provide support for a potential deep lower atmospheric haze of particles (17 km and lower). We extracted this information by developing a new analytical…

Earth and Planetary Astrophysics · Physics 2022-12-14 Rakesh Mogul , Sanjay S. Limaye , Michael. J. Way