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solar activity

Posted inResearch Spotlights

The Curious Case of the Halloween Ghost Electrons

by Mark Zastrow 30 October 201519 January 2023

When solar storms pounded Earth during Halloween in 2003, scientists were eager to measure their effects. But new research shows one satellite was seeing "ghost" particles that probably weren't real.

Posted inResearch Spotlights

Protecting Communications Satellites from Space Weather

by E. Betz 12 October 201510 March 2022

A recent analysis of proprietary telecommunications data identifies a potential source of anomalous satellite component performance, and what can be done to prevent this from happening in the future.

Posted inResearch Spotlights

X Marks the Spot of Magnetic Islands in Space

by Mark Zastrow 17 June 201518 July 2023

At the edge of Earth's magnetic field, satellites have found X-shaped fields and fast-moving "islands" of magnetism that could shed light on the physics of solar storms.

Posted inResearch Spotlights

When the Sun Goes Quiet, Titan Gets Gassy

by Mark Zastrow 11 May 201522 March 2023

Observations from NASA's Cassini probe show that the level of methane in Titan's atmosphere depends on the Sun's 11-year cycle of magnetic activity.

Posted inResearch Spotlights

What Causes Sunspot Pairs?

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 5 May 201518 January 2023

Analysis of magnetic fields on the Sun's surface offers a new clue on why sunspots appear.

Posted inScience Updates

Changing of the Guard: Satellite Will Warn Earth of Solar Storms

by D. J. Knipp and D. A. Biesecker 24 March 201531 January 2022

This summer, Earth gets a new guardian—the Deep Space Climate Observatory—to help warn astronauts and operators of critical planetary infrastructure about the Sun's raging magnetic storms.

Posted inResearch Spotlights

Radio Blackout! Ham Radio as an Operational and Scientific Instrument

by Mark Zastrow 16 February 201527 January 2022

Monitoring solar activity that disrupts communications can be helped by crowdsourced and automated reports from amateur radio operators.

Posted inResearch Spotlights

Can Scientists Boost Solar Modeling Despite a Lack of Data?

by C. Schultz 5 February 201515 March 2022

Researchers show that a data processing technique could salvage useful information from raw solar observations, opening the door to improved understanding of the solar dynamo.

Posted inAGU News

Chigomezyo Mudala Ngwira Receives 2014 Science for Solutions Award

by AGU 3 February 201519 May 2023

Chigomezyo Mudala Ngwira was awarded the 2014 Science for Solutions Award at the AGU Fall Meeting Honors Ceremony, held on 17 December 2014 in San Francisco, Calif. The award is for “significant contributions in the application and use of Earth and space sciences to solve societal problems.”

Posted inScience Updates

Rapid Coordination Extends Space-Based Sun-Climate Record

by T. Woods, R. Cahalan, W. Denig, G. Kopp, P. Pilewskie, T. Sparn and Faith Ishii 25 November 201418 January 2023

Faced with the prospect of a large data gap in solar irradiance records, scientists take steps to ensure that this key climate variable stays monitored.

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