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ionospheres

Posted inEditors' Highlights

2024年5月超级地磁暴冲击后的电离层变化

by Alberto Montanari 3 April 20253 April 2025

一项新研究发现,2024 年 5 月超级地磁暴影响下,地球高层大气与电离层发生了独特的变化。

Visualization of Earth being hit by a geomagnetic superstorm.
Posted inEditors' Highlights

Ionospheric Changes Following the Geomagnetic Storm of May 2024

by Alberto Montanari 7 March 20253 April 2025

A new study finds that unique ionospheric changes occurred in the upper atmosphere in response to the May 2024 geomagnetic superstorm.

Diagram from the study.
Posted inEditors' Highlights

Wave-Modulated Electron Loss Affects GPS Location Determination

by Mary Hudson 7 January 202520 December 2024

Earth’s magnetosphere controls ionospheric total electron content modulation via plasma wave-induced electron loss impacting GPS spatial location determination.

Eighteen photos in a grid. Each features a background of green light reminiscent of the northern lights, with clusters of red dots in the middle.
Posted inResearch Spotlights

Radar Reveals Electrical Activity in the Ionosphere

by Saima May Sidik 18 December 202418 December 2024

A new method could improve understanding of communication disruptions.

Photo of tall antennae in a field and a schematic diagram of the setup.
Posted inEditors' Highlights

Ground-based Transmitters Cause Radiation Belt Electron Loss

by Mary Hudson 25 November 202422 November 2024

A U.S. Navy transmitter in Australia produces wisps of electron loss as observed by the Colorado Inner Radiation Belt Experiment (CIRBE) CubeSat in Low Earth Orbit.

Photo of STEVE over a map.
Posted inEditors' Highlights

Unusual Occurrence of STEVE: An Aurora-Like Glow

by Yuichi Otsuka 13 November 20248 November 2024

STEVE is a mysterious purple-white arc near the aurora, typically seen after space disturbances called substorms. A new study reveals a rare STEVE event without a substorm, prompting questions about its origin.

An artist’s depiction of the Sun, Earth, and the space between them. Dots on Earth mark the locations of ground-based instruments for monitoring space weather.
Posted inResearch Spotlights

From Sun to Earth: A New Network for Comprehensive Space Weather Monitoring

by Nathaniel Scharping 22 August 202422 August 2024

The Chinese Meridian Project combines hundreds of instruments for a detailed, three-dimensional view of the solar-terrestrial environment.

Graph
Posted inEditors' Highlights

Impact of NASA’s GDC Measurements on Predicting Earth’s Upper Atmosphere

by Astrid Maute 14 August 202414 August 2024

A new study finds that assimilating observations of the ionosphere and thermosphere reduces the error in model predictions more than modeling either one individually.

O Sol foi fotografado no centro de Nevada durante o eclipse anular de 14 de outubro de 2023.
Posted inNews

Radioamadores Foram Usados Para Obter Informações sobre a Ciência Ionosférica Durante o Eclipse

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 10 April 202410 April 2024

Operadores de rádio amadores que estudam a física espacial e a atmosfera superior investigaram a resposta da ionosfera ao eclipse solar anular de 2023 usando transmissões de ondas curtas.

Wide-angle view showing green, ribbon-like aurorae as well as glowing blue, purple, and white cloud-shaped features in the night sky.
Posted inScience Updates

Ionospheric Fireworks Illuminate Auroral Science

by Tima Sergienko, Yoshihiro Yokoyama, Urban Brändström, Masatoshi Yamauchi and Anders Tjulin 28 February 202428 February 2024

A sounding rocket experiment set off a spectacular nighttime light show over Scandinavia as it produced new insights into ionospheric behavior near an aurora.

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