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solar wind

A new model of solar winds could improve predictions of space storms
Posted inResearch Spotlights

A Better Way to Predict Space Storms

by E. Underwood 13 December 201713 April 2022

A new model of solar winds could reduce false alarms.

Posted inEditors' Highlights

Solar Wind Sets the Magnetosphere Ringing

by A. Rodger 14 November 20174 May 2022

A combination of data from satellites and ground-based instruments gives new insight into solar wind-magnetosphere-ionosphere interactions.

Researchers find new evidence suggesting lower energy particles may play an outsized role in space weather near Earth
Posted inResearch Spotlights

Jets of Ionospheric Cold Plasma Discovered at the Magnetopause

by David Shultz 24 October 201718 July 2023

The lower-energy particles may play a larger role in magnetic reconnection than previously believed, influencing space weather near Earth.

Researchers analyze space storms to better understand how the Van Allen belts lose particles.
Posted inResearch Spotlights

How Earth’s Outer Radiation Belts Lose Their Electrons

by E. Underwood 17 October 20174 May 2022

A new analysis of three space storms reveals the mechanisms of particle loss from the Van Allen belts.

: Researchers examine the origins of plasma ropes in Mars’s magnetotail
Posted inResearch Spotlights

Angles of Plasma Ropes near Mars Point to Different Origins

Sarah Stanley, Science Writer by Sarah Stanley 11 October 20174 May 2022

Variation in the orientation of flux rope features in Mars’s magnetotail suggests that some of them form on the planet’s Sun-facing side and travel to the night side.

Posted inNews

Largest Flare of Past 9 Years Erupts from Sun

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 8 September 201727 March 2023

A massive flare and blast of charged particles toward Earth may disrupt satellites and communications and push auroras toward lower latitudes through tomorrow, according to space weather experts.

New observations reveal secrets of sodium flares in Mercury’s exosphere
Posted inResearch Spotlights

Observing Mercury’s Brilliant Flares from Earth

by E. Underwood 9 August 20177 March 2022

Researchers make the first short-term observation of sodium flares in Mercury’s exosphere.

Researchers try out a mathematical model assessing Martian solar irradiance.
Posted inResearch Spotlights

Spacecraft Returns Its First Data on Martian Solar Irradiance

Sarah Stanley, Science Writer by Sarah Stanley 10 May 201718 January 2023

Scientists demonstrate the capabilities and limitations of the mathematical model used to calculate solar irradiance using measurements from NASA’s Mars Atmosphere and Volatile Evolution (MAVEN).

Understanding how solar storms subside will help to improve future forecasting
Posted inResearch Spotlights

Scientists Probe the Calm After Solar Storms

by Mark Zastrow 21 March 201721 February 2023

In forecasting the effects of solar storms, understanding how they subside—and not just how they arrive—will be crucial.

Up-close view of the Sun.
Posted inNews

Scientists Get First Glimpse of Solar Wind as It Forms

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 9 September 201613 October 2022

Using computer-processed images from Sun-watching satellites, scientists observed solar wind emerging from the Sun's corona.

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