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the Sun

A large sunspot observed by the Transition Region and Coronal Explorer (TRACE) satellite in the UV in September 2000.
Posted inScience Updates

Better Data for Modeling the Sun’s Influence on Climate

by T. Dudok de Wit, B. Funke, M. Haberreiter and K. Matthes 4 September 201821 February 2023

Several international initiatives are working to stitch together data describing solar forcing of Earth’s climate. Their objective is to improve understanding of climate response to solar variability.

Artist’s rendering of Parker Solar Probe approaching the Sun
Posted inNews

First Spacecraft to Touch the Sun Awaiting Launch

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 10 August 201815 June 2022

The Parker Solar Probe will study the Sun’s corona and its electric and magnetic fields, as well as the mechanisms that drive the solar wind, all from behind an advanced protective heat shield.

Posted inEditors' Highlights

Forecasting the Threat from the Sun

by Michael A. Hapgood 3 August 201820 May 2022

Ensemble techniques are opening a path toward space weather forecasts that give deeper understanding of the risk posed by each solar storm that approaches our planet.

Posted inNews

Edward L. Chupp (1927–2017)

by J. M. Ryan and M. A. Lee 27 July 20187 March 2022

This pioneer in high-energy solar physics devised instruments for observing solar and cosmic ray emissions with which he detected, for the first time, nuclear gamma rays from solar flares.

The 10 September 2017 X class solar flare in ultraviolet light.
Posted inNews

Solar Flare Caused Increased Oxygen Loss from Mars’s Atmosphere

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 4 June 201820 December 2022

Measurements by a Mars-orbiting spacecraft indicated heating and chemistry changes in the planet’s atmosphere following an extreme solar eruption last year.

Researchers compile a 45-year map record of sunspots
Posted inResearch Spotlights

Preserving a 45-Year Record of Sunspots

by E. Underwood 17 January 201813 October 2022

Maps reveal how the Sun’s magnetic field evolves through solar cycles.

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

A Survey of Solar Radio Burst Statistics

by D. J. Knipp 7 December 201727 January 2022

National solar radio archive records have substantial missing data potentially affecting the ability to benchmark extreme solar events.

Posted inEditors' Vox

A Wake-up Call from the Sun

by Michael A. Hapgood 12 October 201710 March 2023

A sudden burst of activity from the Sun in early September 2017 caused a wide range of space weather effects at Earth.

Parker Solar Probe spacecraft approaching the Sun.
Posted inNews

Solar Probe Will Approach Sun Closer Than Any Prior Spacecraft

by Randy Showstack 4 October 201731 January 2023

Technological improvements, including an advanced thermal protection system and innovative solar arrays, have helped to get this mission off the drawing board.

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