Results 111 to 120 of about 28,867 (162)

Strong Westward Current Pulse at Auroral Latitudes Extending to Dawn‐Side Low‐Latitudes Due To Enhanced Density Within Kelvin‐Helmholtz Wave Vortex in Solar Wind

open access: yesGeophysical Research Letters, Volume 52, Issue 15, 16 August 2025.
Abstract A series of coronal mass ejections (CMEs) from the Sun, interacted with one another and formed a complex interplanetary‐CME (ICME) that impinged Earth's magnetosphere on 10 May 2024 and caused the strongest geomagnetic storm of the past two decades.
B. Nilam   +7 more
wiley   +1 more source

On the Role of Field‐Aligned Density Ducts in Z‐to‐O Mode Conversion in the Ionosphere: A 2D Simulation Study

open access: yesGeophysical Research Letters, Volume 52, Issue 15, 16 August 2025.
Abstract High‐frequency (HF) ordinary polarized (O)‐mode waves transmitted along the Earth's geomagnetic field can excite plasma modes on both the bottomside and topside of the ionosphere, a process attributed to O‐to‐Z mode conversion. This mechanism explains how electromagnetic wave energy penetrates beyond the resonance.
Danish Naeem, Dong‐Hun Lee, Kihong Kim
wiley   +1 more source

Comprehensive Analysis of Bias in TEMPO NO2 Column Densities Through Pandora Observations

open access: yesJournal of Geophysical Research: Atmospheres, Volume 130, Issue 15, 16 August 2025.
Abstract Tropospheric Emissions: Monitoring of Pollution (TEMPO) is the first geostationary satellite instrument to monitor air pollutants across North America. This study uses Pandora observations to analyze the bias in TEMPO Level‐3 total column density of NO2 (TOTNO2) from August 2023 to December 2024.
Masoud Ghahremanloo   +10 more
wiley   +1 more source

A variable star population in the open cluster NGC 6791 observed by the Kepler spacecraft

open access: green, 2023
S Sanjayan   +5 more
openalex   +2 more sources

On the origin of field-aligned beams at the quasi-perpendicular bow shock: multi-spacecraft observations by Cluster

open access: gold, 2004
H. Kucharek   +8 more
openalex   +1 more source

Phase Difference Radio Tomography of the Ionosphere Based on Two Spacecraft Cluster

open access: bronze, 2020
O. I. Baraboshkin   +2 more
openalex   +1 more source

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