Results 71 to 80 of about 1,771,886 (128)

Rotation‐Controlled Diurnal Evolution of Uranus' Asymmetric Bow Shock at Equinox

AGU Advances, Volume 7, Issue 3, June 2026.
Abstract Uranus possesses the most extreme magnetic and rotational geometry in the solar system, resulting in a uniquely dynamic and asymmetric interaction between its magnetosphere and the solar wind. Here we investigate the diurnal evolution of the Uranian bow shock (BS) at equinox using global multifluid magnetohydrodynamic simulations constrained ...
X. Cao, C. Paty, F. Chu, J. Lei
wiley   +1 more source

Atmospheres of brown dwarfs [PDF]

, 2014
ChH highlights financial support of the European Community under the FP7 by an ERC starting grant. SLC acknowledges financial support of University of LeicesterBrown Dwarfs are the coolest class of stellar objects known to date. Our present perception is
Casewell, Sarah, Helling, Christiane
core   +1 more source

Hot Spot Offset Variability from Magnetohydrodynamical Thermoresistive Instability in Hot Jupiters

The Astrophysical Journal
Hot Jupiter (HJ) atmospheres are possibly subject to a thermoresistive instability (TRI). Such an instability may develop as the ohmic heating increases the electrical conductivity in a positive feedback loop, which ultimately leads to a runaway of the ...
Raphaël Hardy, Paul Charbonneau, Andrew Cumming   +2 more
doaj   +1 more source

The Role of Planetary Rotation in Polar Cusp Localization

Geophysical Research Letters, Volume 53, Issue 10, 28 May 2026.
Abstract Juno observations have revealed that Jupiter's polar cusps are displaced toward dusk and even the nightside, contradicting the Earth‐derived paradigm that is confined to narrower ranges near noon. These findings underscore the overlooked influence of planetary rotation on magnetospheric dynamics, exposing a critical gap in current theoretical ...
Junjie Chen, Peter A. Delamere, William Lotko, Yan Xu, Zhonghua Yao, Oliver Brambles, Enhao Feng, Ziyi Yang, Kevin H. Pham, Binzheng Zhang   +9 more
wiley   +1 more source

The Impact of the Sulfur Allotropes and Sulfur Hydrides on the Venus Cloud Chemistry

Journal of Geophysical Research: Planets, Volume 131, Issue 5, May 2026.
Abstract Venus is home to vivid sulfur chemistry, with SO2 ${\text{SO}}_{2}$ as the major sulfur gas species and a global cloud layer between 47 and 70 km composed of H2SO4 ${\mathrm{H}}_{2}{\text{SO}}_{4}$ and H2 ${\mathrm{H}}_{2}$O. The chemistry in the clouds has been extensively studied with 1D models, but none is able to reproduce the three orders
Maxence Lefèvre, Franck Lefèvre, Anni Määttänen, Robert Skog, Benjamin Frandsen, Aurélien Stolzenbach, Ashwin Braude   +6 more
wiley   +1 more source

Modeling the Seasonality of Wind‐Driven Hydrocarbon Waves in Titan's Polar Lakes

Journal of Geophysical Research: Planets, Volume 131, Issue 5, May 2026.
Abstract Titan, the only body in the solar system aside from Earth with standing liquids on its surface, has high‐latitude hydrocarbon lakes and seas. As Titan's atmosphere generates light winds, there should be waves on the surface of these lakes and seas, yet, direct wave observations are scant.
Charlene E. Detelich, Una G. Schneck, Alexander G. Hayes, Milan Curcic, Rose V. Palermo, Andrew D. Ashton, J. Taylor Perron, Juan M. Lora, Jordan Steckloff   +8 more
wiley   +1 more source

A consistent molecular hydrogen isotope chemistry scheme based on an independent bond approximation [PDF]

, 2009
The isotopic composition of molecular hydrogen (H₂) produced by photochemical oxidation of methane (CH₄) and Volatile Organic Compounds (VOCs) is a key quantity in the global isotope budget of (H<sub>2 ...
Sub Atmospheric physics and chemistry, M. C. Krol, G. Pieterse, T. Röckmann, Krol, M.C., Pieterse, G., Afd Marine and Atmospheric Research, Marine and Atmospheric Research, Röckmann, T.   +8 more
core   +3 more sources

A Disintegrating Rocky World Shrouded in Dust and Gas: Mid-infrared Observations of K2-22 b Using JWST

The Astrophysical Journal Letters
The disintegrating ultrashort period rocky exoplanet K2-22 b periodically emits dusty clouds in a dynamically chaotic process resulting in a variable transit depth from 0% to 1.3%.
Nick Tusay, Jason T. Wright, Thomas G. Beatty, Steve Desch, Knicole Colón, Tushar Mittal, Hugh P. Osborn, Beatriz Campos Estrada, James E. Owen, Jessica Libby-Roberts, Arvind F. Gupta, Brad Foley, Erik Meier Valdés, Daniel J. Stevens, Ashley Herbst   +14 more
doaj   +1 more source

The NASA exoplanet archive: data and tools for exoplanet research

, 2013
We describe the contents and functionality of the NASA Exoplanet Archive, a database and toolset funded by NASA to support astronomers in the exoplanet community.
Rey, R., Harbut, M., Ali, B., Groom, S., Kane, S. R., Stauffer, J., McElroy, D. L., Chen, X., Leifer, S., Berukoff, S., Akeson, R. L., Jackson, E., Chan, B., Berriman, G. B., Wittman, M., Abajian, M., Plavchan, P., Saucedo, M., Crane, M., Lau, C., Bryden, G., Lynn, M., Wyatt, P., Papin, M., Beichman, C., Regelson, M., Schmitz, M., Good, J., Ramirez, S. V., Payne, A. N., Zhang, A., Ciardi, D., von Braun, K., Laity, A. C., Beekley, A.   +34 more
core   +1 more source

The Effects of Kinematic Magnetohydrodynamics on the Atmospheric Circulation of Eccentric Hot Jupiters

The Astrophysical Journal
Hot Jupiters are typically considered to be tidally locked due to their short orbital periods. The extreme irradiation can result in atmospheric species becoming thermally ionized on the dayside, which then interact with the planet’s magnetic field by ...
Hayley Beltz, Willow Houck, L. C. Mayorga, Thaddeus D. Komacek, Joseph R. Livesey, Juliette Becker   +5 more
doaj   +1 more source