Results 21 to 30 of about 1,576,389 (170)

High-frequency Alfven waves in multi-ion coronal plasma : observational implications [PDF]

, 2005
We investigate the effects of high-frequency (of order ion gyrofrequency) Alfvén and ion-cyclotron waves on ion emission lines by studying the dispersion of these waves in a multi-ion coronal plasma.
Ofman, L. (Leon), Davila, J. M. (Joseph M.), Viñas, A.-F., Nakariakov, V. M. (Valery M.)   +3 more
core   +1 more source

Multifrequency Microwave Imaging of Weak Transients from the Quiet Solar Corona

The Astrophysical Journal, 2023
Understanding the dynamics of the quiet solar corona is important for answering key questions including the coronal heating problem. Multiple studies have suggested small-scale magnetic-reconnection events may play a crucial role.
Surajit Mondal, Bin Chen, Sijie Yu
doaj   +1 more source

Topological structure of the magnetic solar corona [PDF]

, 2007
The solar corona is a highly complex and active plasma environment, containing many exotic phenomena such as solar flares, coronal mass ejections, prominences, coronal loops, and bright points.
Maclean, Rhona Claire
core   +2 more sources

Solar cycle dependence of scaling in solar wind fluctuations [PDF]

, 2008
In this review we collate recent results for the statistical scaling properties of fluctuations in the solar wind with a view to synthesizing two descriptions: that of evolving MHD turbulence and that of a scaling signature of coronal origin that ...
B. Hnat, Hnat, B., Kiyani, K., S. C. Chapman, K. Kiyani, Chapman, S. C., Chapman, Sandra C.   +6 more
core   +2 more sources

Exploring Jupiter's Mid‐Latitude Dusk Magnetopause: The Impact of Magnetic Reconnection

Geophysical Research Letters, Volume 53, Issue 20, 28 October 2026.
Abstract The Juno mission has elucidated magnetosphere processes, structure, and dynamics via multi‐instrument plasma and magnetic field observations. In this study, these instruments are used to identify magnetic reconnection during the Juno extended mission from a survey of 490 magnetopause crossings at the mid‐latitude southern dusk magnetopause ...
J. Montgomery, P. A. Delamere, A. R. Smith, C. Spitler, G. Fuller, R. W. Ebert, F. Allegrini, S. A. Fuselier, R. J. Wilson   +8 more
wiley   +1 more source

The Sun's global photospheric and coronal magnetic fields : observations and models [PDF]

, 2012
2012LRSP....9....6M Funding: STFC, the Leverhulme Trust and European Commission’s Seventh Framework Programme (FP7/2007-2013) under the grant agreement SWIFF (project no.
Anthony Yeates, Yeates, A.R., Duncan Mackay, Mackay, D.H., Yeates, Anthony Robinson, Mackay, Duncan Hendry, Mackay, Duncan Hendry; id_orcid   +6 more
core   +1 more source

Alfvénic Motions in a Stratified Open Flux Tube: Transition from Propagating to Locally Standing Motions and Implications for the Kelvin–Helmholtz Instability

The Astrophysical Journal Letters
Standing transverse waves in closed coronal structures have been widely studied as a possible route to energy dissipation, with resonant absorption transferring kink wave energy to localized Alfvénic motions and the Kelvin–Helmholtz instability (KHI ...
Mingzhe Guo, Bo Li, Yuhang Gao, Yao Chen
doaj   +1 more source

Quasi‐Homologous Solar Flares and Impacts on Thermospheric Density and Satellite Orbital Drag

Geophysical Research Letters, Volume 53, Issue 20, 28 October 2026.
Abstract Quasi‐Homologous Flaring (QHF) activity from active regions on the Sun releases intense electromagnetic radiation in recurrent bursts over extended periods. In this letter, we present the effects of recurrent impulsive extreme ultraviolet (EUV) heating on thermospheric neutral density and the resulting atmospheric drag on satellites based on ...
S. Tulasi Ram, Princy K. Dubey, S. Mondal, Denny M. Oliveira, Jayashree Bulusu, Chinmaya Nayak, D. Rout, Anil Raghav, A. P. Dimri   +8 more
wiley   +1 more source

Tidal Variability in the Lower Thermosphere: Relative Importance of ENSO, QBO, PJO, MJO, and Lyα

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 20, 28 October 2026.
Abstract Atmospheric tides in the lower thermosphere play an important role in regulating upper‐atmospheric conditions relevant to space weather. However, their spatial and temporal variability remains poorly understood, apart from seasonal variations. Previous studies have shown that tides can be influenced by meteorological and solar conditions. This
Yosuke Yamazaki, Huixin Liu, Kaoru Sato, Dai Koshin, Claudia Stolle   +4 more
wiley   +1 more source

From Coronal Holes to Pulsars and Back Again: Learning the Importance of Data

Frontiers in Astronomy and Space Sciences, 2022
Although wanting to become an astronomer from an early age, I ended up in solar physics purely by chance, after first working in high-energy astrophysics.
Y.-M. Wang
doaj   +1 more source