Results 121 to 130 of about 22,968 (238)

From Photospheric Footpoint Motion to Plasmoid Ejection: A Two-stage Reconnection Process in a Small-scale Chromospheric Jet

The Astrophysical Journal Letters
Using high-spatiotemporal-resolution multiwavelength observations from the New Vacuum Solar Telescope and the Solar Dynamics Observatory, we present a detailed analysis of a small-scale chromospheric jet driven by plasmoid-mediated magnetic reconnection.
Zehao Tang, Yuandeng Shen, Dongxu Liu, Surui Yao, Chengrui Zhou, Xiaobo Li   +5 more
doaj   +1 more source

Finding reconnection lines and flux rope axes via local coordinates in global ion-kinetic magnetospheric simulations [PDF]

Annales Geophysicae
Magnetic reconnection is a crucially important process for energy conversion in plasma physics, with the substorm cycle of Earth's magnetosphere and solar flares being prime examples.
M. Alho, G. Cozzani, I. Zaitsev, F. T. Kebede, U. Ganse, M. Battarbee, M. Bussov, M. Dubart, S. Hoilijoki, L. Kotipalo, K. Papadakis, Y. Pfau-Kempf, J. Suni, V. Tarvus, A. Workayehu, H. Zhou, M. Palmroth, M. Palmroth   +17 more
doaj   +1 more source

Magnetic reconnection exhausts in the solar wind

, 2016
The restructuring of magnetic fields in plasmas through the process of magnetic reconnection is important in laboratory experiments, magnetospheres and many astrophysical systems. In-situ observations of reconnection processes in the near-Earth environment provide an excellent opportunity to probe the physics of magnetic reconnection. In the solar wind,
openaire   +3 more sources

Energy Conversion Pathways Inside Kelvin‐Helmholtz Vortices

Journal of Geophysical Research: Space Physics, Volume 131, Issue 3, March 2026.
Abstract Energy transfer, cross‐scale coupling, and dissipation in astrophysical plasmas remain fundamental unresolved problems. The velocity‐shear–driven Kelvin–Helmholtz instability (KHI), ubiquitous in plasmas, is a key multiscale mechanism enabling plasma mixing, particle energization and the solar wind–magnetosphere coupling, making it a critical ...
A. Settino, Z. Vörös, L. Sorriso‐Valvo, C. Simon‐Wedlund, O. W. Roberts, R. Nakamura   +5 more
wiley   +1 more source

Toward a Dynamic Model for Topside Ionospheric Irregularities: Spherical Harmonic Decomposition

Space Weather, Volume 24, Issue 3, March 2026.
Abstract Ionospheric irregularities arise from highly dynamic and turbulent processes related to magnetosphere‐ionosphere coupling and can lead to electromagnetic signal distortion or loss of lock events in global navigation satellite system signals, representing a hazard associated with space weather events. For this reason, understanding and modeling
S. Mestici, P. De Michelis, G. Consolini, A. Pignalberi, R. Tozzi, F. Giannattasio, F. Berilli   +6 more
wiley   +1 more source

Relative Contributions of Solar Wind Dynamic Pressure and Interplanetary Electric Field on the Early Positive Part of Main Phase of Geomagnetic Storms

Space Weather, Volume 24, Issue 3, March 2026.
Abstract The important early declining part of the main phase (MP) of geomagnetic storms in SYM‐H (and Dst) from positive main phase onset (MPO) to 0‐level of SYM‐H was somehow missed in the treatment of the storms. We included the missed part (or revised the storms) by raising the 0‐level of SYM‐H to MPO‐level, and showed that the inclusion is ...
Jijin K. Raj, N. Balan, Qing‐He Zhang, Y. Otsuka, K. Shiokawa, Zan‐Yang Xing, V. Manu, B. Nilam, Yu‐Zhang Ma, Yong Wang   +9 more
wiley   +1 more source

The Constraint of Crewed Mars Missions Based on Current Radiation Dose Measurements

Space Weather, Volume 24, Issue 3, March 2026.
Abstract Crewed missions to Mars will be a milestone of future space exploration programs. However, the absence of Earth's magnetic field leaves astronauts directly exposed to unattenuated energetic particles in deep space, primarily galactic cosmic rays (GCRs), resulting in significantly higher radiation levels and enhanced health risks. Understanding
Chao Zhang, Weihao Liu, Jingnan Guo, Mikhail Dobynde, Robert F. Wimmer‐Schweingruber   +4 more
wiley   +1 more source

Collection, Collation, and Comparison of Near‐Earth In Situ CME Boundaries

Space Weather, Volume 24, Issue 3, March 2026.
Abstract Coronal mass ejections (CMEs) drive space weather throughout the heliosphere so knowledge of their internal properties is key to understanding and eventually forecasting their effects. Typically observations are limited to single‐spacecraft encounters sampling one path that may or may not be representative of the overall structure.
C. Kay, E. E. Davies, M. Dumbović, K. Martinić, E. Palmerio, H. T. Rüdisser, E. Weiler, C. Möstl   +7 more
wiley   +1 more source

10 May 2024 Gannon Storm: Connecting Energy Flux With Field Aligned Currents and Cross Polar Cap Potential

Space Weather, Volume 24, Issue 3, March 2026.
Abstract A simulation of the 10 May 2024 geomagnetic storm is used to investigate the theory of cross polar cap potential (CPCP) saturation in Earth's magnetosphere‐ionosphere system. THEMIS B (ARTEMIS P1) satellite magnetic field and plasma measurements at lunar distance upstream in the solar wind drives the Space Weather Modeling Framework (SWMF) in ...
A. Brenner, T. I. Pulkkinen, Eliah F. M. T. São Sabbas, D. G. Sibeck, D. T. Welling, A. J. Ridley, V. S. Gowtam, M. R. Hairston   +7 more
wiley   +1 more source

Formation of Fan-spine Magnetic Topology through Flux Emergence and Subsequent Jet Production

The Astrophysical Journal Letters
Fan-spine magnetic structure, as a fundamental three-dimensional topology in magnetic reconnection theory, plays a crucial role in producing solar jets. However, how fan-spine configurations form in the solar atmosphere remains elusive. Using the Chinese
Yadan Duan, Hui Tian, Hechao Chen, Yuandeng Shen, Zheng Sun, Zhenyong Hou, Chuan Li   +6 more
doaj   +1 more source