Results 161 to 170 of about 131,468 (231)

How Does the Magnetosphere‐Ionosphere Current System Respond to Solar Flares?

open access: yesGeophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract While the isolated effects of solar flares on low‐latitude ionospheric electrodynamics have been well documented, the coupled system response of the equatorial electrojet (EEJ), auroral electrojet (AEJ), field‐aligned currents (FACs), and asymmetric ring current (ASY‐H) remains poorly understood.
Hongkai Tang   +5 more
wiley   +1 more source

Observations and Modeling of the Longest‐Recorded Delayed Sprite

open access: yesGeophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract Transient luminous events (TLEs), such as sprites, have been investigated via observations and simulations for decades. Recent TLE research has focused on effects leading to the delay of a sprite from its parent lightning flash. Here we investigate a sprite with by far the longest recorded delay to date, a delay of almost a full second (916.6 ±
Y. Yair   +10 more
wiley   +1 more source

Dual origin of effective axion response. [PDF]

open access: yesNat Commun
Seidov TZ   +5 more
europepmc   +1 more source

Solar‐Wind Triggering of Substorm Onset During the May 2024 Superstorm: Coordinated Global Observations and Simulations

open access: yesGeophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract Substorms are often described by a loading‐unloading cycle, where onset follows gradual accumulation of solar wind magnetic flux in the magnetosphere. Yet observations indicate that intense substorms can also be directly driven, though the underlying mechanism remains unresolved.
Yong Ren   +8 more
wiley   +1 more source

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