Results 81 to 90 of about 637,520 (196)

Spaceborne and spaceborn: Physiological aspects of pregnancy and birth during interplanetary flight

open access: yesExperimental Physiology, Volume 111, Issue 9, Page 4015-4040, 1 September 2026.
Abstract Crewed interplanetary return missions that are on the planning horizon will take years, more than enough time for initiation and completion of a pregnancy. Pregnancy is viewed as a sequence of processes – fertilization, blastocyst formation, implantation, gastrulation, placentation, organogenesis, gross morphogenesis, birth and neonatal ...
Arun V. Holden
wiley   +1 more source

Controls on Solar Wind Entry Identified Through Wind–ACE Heavy‐Ion Diagnostics

open access: yesGeophysical Research Letters, Volume 53, Issue 16, 28 August 2026.
Abstract Solar wind (SW) entry into the magnetosphere occurs through several mechanisms, but their dependence on the properties of different ion species is unknown. We compare measurements from Wind‐STICS (magnetosphere) with ACE‐SWICS (L1) to test for any preferential entry between He2+ and SW heavy ions.
S. Colón‐Rodríguez   +3 more
wiley   +1 more source

Observations of the Latitude and Frequency Distributions of Equatorward‐Propagating Chorus Waves

open access: yesGeophysical Research Letters, Volume 53, Issue 16, 28 August 2026.
Abstract Rising‐tone chorus elements are traditionally known to grow from low frequencies and extend to high frequencies. Using high‐resolution waveform measurements from the Van Allen Probes, we report a novel observation: equatorward‐propagating chorus waves at a few degrees in latitude are observed at high frequencies only.
Qiushuo Wang   +7 more
wiley   +1 more source

Simulation study of near-Earth space disturbances: 1. magnetic storms

open access: yesProgress in Earth and Planetary Science, 2019
A magnetic storm is the world-wide geomagnetic disturbance taking place in near-Earth space environment, lasting for a few days. Geomagnetic fields can be depressed by ~ 1% on the ground for large magnetic storms.
Yusuke Ebihara
doaj   +1 more source

Comparative Analysis of Ion and Electron Contributions to Ionospheric Ionization at Auroral and Subauroral Latitudes

open access: yesGeophysical Research Letters, Volume 53, Issue 16, 28 August 2026.
Abstract Electron and proton precipitation into the nightside ionosphere is a key process in magnetosphere–ionosphere coupling. Although auroral electron precipitation at ∼0.1 ${\sim} 0.1$–10 keV is traditionally considered the main driver of auroral emissions, recent studies show that >30 ${ >} 30$ keV electrons and protons can significantly ...
S. R. Kamaletdinov   +22 more
wiley   +1 more source

Global Plasmaspheric Refilling Rates Inferred From Deep‐Learning Electron Density Reconstructions

open access: yesGeophysical Research Letters, Volume 53, Issue 16, 28 August 2026.
Abstract As a key process in magnetosphere‐ionosphere coupling, plasmaspheric refilling is a long‐standing focus in space physics. In this study, we develop a global electron density (GEO‐NE) model based on a CNN‐Transformer architecture, and use the model to investigate plasmaspheric electron density refilling rates. Using global electron density maps
Zhenyu Guo   +6 more
wiley   +1 more source

Introduction to the thematic series “Coupling of the magnetosphere–ionosphere system”

open access: yesGeoscience Letters, 2017
This thematic series contains 4 papers mostly presented at the 2016 AOGS meeting in Beijing. The four papers investigate four key regions in the magnetosphere–ionosphere coupling process: mid-tail magnetosphere, near-Earth magnetosphere, inner ...
Z. H. Yao   +3 more
doaj   +1 more source

A Dynamical Model of Equatorial Magnetosonic Waves in the Inner Magnetosphere: A Machine Learning Approach. [PDF]

open access: yesJ Geophys Res Space Phys, 2021
Boynton RJ   +4 more
europepmc   +1 more source

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