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solar wind

A rocket launches in front of a clear sky
Posted inResearch & Developments

Trio of Space Weather Satellites Take Flight

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 24 September 202524 September 2025

These three satellites will that study the solar wind and its impacts.

An artist’s depiction of Jupiter and its magnetosphere, which appears to stretch out to the left and right of the planet like two purple butterfly wings
Posted inResearch Spotlights

A Solar Wind Squeeze May Have Strengthened Jovian Aurorae

Sarah Stanley, Science Writer by Sarah Stanley 1 August 20251 August 2025

Juno spacecraft data suggest an extreme compression of the planet’s magnetosphere in December 2022, caused by the solar wind, briefly brightened the ultraviolet light displays.

A plume of material erupting from the Sun.
Posted inEditors' Highlights

Why Subsequent ICMEs are More Geoeffective

by Michael Balikhin 23 July 202523 July 2025

A new study demonstrates how an interplanetary coronal mass ejection (ICME) clears the path for following transients and explains why subsequent ICMEs are more geoeffective.

A bright ring of light surrounds the North Pole in a black-and-white composite satellite image over the Northern Hemisphere, with land areas outlined in black.
Posted inResearch Spotlights

U.K. Space Weather Prediction System Goes Operational

by Saima May Sidik 23 June 202523 June 2025

Officials now have access to a suite of models they can use to head off damage to critical infrastructure.

Illustration of a spacecraft in space.
Posted inEditors' Highlights

Heating Mechanism at Earth’s Bow Shock Depends on Shock Speed

by Marit Oieroset 24 February 202524 February 2025

A new technique shows that the dominance of gradual versus chaotic electron heating processes at Earth’s bow shock is controlled by how fast the shock is moving.

Diagrams from the study.
Posted inEditors' Highlights

New Empirical Model of the Flux in the Magnetosheath

by Viviane Pierrard 6 January 202520 December 2024

A new study presents a model that reconstructs the plasma flux in the Earth’s magnetosheath.

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.

A huge prominence shoots out into space from the surface of the Sun. The Sun’s surface and the erupted material appear to be various fiery shades of orange, red, and yellow, and the Sun’s curved horizon appears in the distance against the blackness of space, highlighting just how big the eruption is.
Posted inResearch Spotlights

Blasts from the Past: New Insights from Old Space Storms

Sarah Stanley, Science Writer by Sarah Stanley 24 October 202424 October 2024

Reassessment and comparison of past space weather events highlight the potential for Earth to experience destructive geomagnetic disturbances.

El vehículo explorador Mars 2020 Perseverance en la superficie de Marte en un selfie ensamblado a partir de varias imágenes tomadas por el brazo robótico del vehículo explorador. Uno de los tubos de almacenamiento de muestras del vehículo explorador está en el suelo delante del vehículo explorador.
Posted inFeatures

El pasado, presente y futuro de traer muestras extraterrestres

by Jemma Davidson and Jessica Barnes 23 October 202423 October 2024

La obtención de muestras de cuerpos distantes del sistema solar ha revolucionado nuestra comprensión del cosmos y del lugar que ocupamos en él.

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.

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Features from AGU Publications

Research Spotlights

Unveiling What’s Under the Hood in AI Weather Models

30 September 202530 September 2025
Editors' Highlights

New Evidence for a Wobbly Venus?

29 September 202525 September 2025
Editors' Vox

All Publish, No Perish: Three Months on the Other Side of Publishing

29 September 202525 September 2025
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