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ionospheres

Posted inResearch Spotlights

Gamma Ray Bursts Leave Their Mark in the Low Ionosphere

by L. Strelich 10 March 201610 March 2023

Scientists use very low and low-frequency radio signals to detect short gamma ray bursts and their impact on the low ionosphere.

Posted inResearch Spotlights

New GPS Satellite Technique to Monitor Ionospheric Disturbances

by S. Kelleher 7 March 201624 January 2023

Researchers are developing better ways to use satellites to understand space weather events that can interfere with technology.

Posted inResearch Spotlights

Half of Atmospheric Joule Heating Is Due to Small Oscillations

by A. K. Higginson 29 February 201624 October 2022

Scientists use sounding rockets to show that small oscillations in electric fields can be just as important for atmospheric Joule heating as the presence of the electric field itself.

Posted inResearch Spotlights

How Saturn Alters the Ionosphere of Titan

by Mark Zastrow 28 January 201615 March 2023

New research shows that Saturn's powerful magnetic field changes the atmospheric chemistry of its largest moon, Titan.

Posted inAGU News

Andrew F. Nagy Receives 2015 John Adam Fleming Medal

by AGU 21 December 20152 May 2023

Andrew F. Nagy was awarded the 2015 John Adam Fleming Medal at the American Geophysical Union Fall Meeting Honors Ceremony, held on 16 December 2015 in San Francisco, Calif. The medal is for "original research and technical leadership in geomagnetism, atmospheric electricity, aeronomy, space physics, and related sciences."

Posted inResearch Spotlights

An Ionospheric Index to Predict Earthquakes Falls Short

Kate Wheeling, freelance science writer by Kate Wheeling 18 November 201518 October 2022

Scientists disagree about the validity of the spatial scintillation index, a tool that aims to forecast earthquakes based on atmospheric disturbances.

Posted inEditors' Vox

First Results from the MAVEN Mission to Mars

by A. Dombard, B. Lavraud, W. K. Peterson and Noah S. Diffenbaugh 5 November 201515 March 2023

Geophysical Research Letters publishes First Results from the MAVEN Mission to Mars, demonstrating a remarkable achievement of NASA's MAVEN team and the broader scientific community.

Posted inAGU News

Mayyasi-Matta Receives the 2015 Fred L. Scarf Award

by AGU 30 September 20153 May 2023

Majd Mayyasi-Matta will receive the Fred L. Scarf Award. She will be formally presented with the award at the 2015 American Geophysical Union Fall Meeting, to be held 14–18 December in San Francisco, Calif.

Posted inResearch Spotlights

Gaseous Planets May Have Huge Luminous Rings Caused by Lightning

by Mark Zastrow 15 July 201513 April 2023

What business do elves have in the upper atmospheres of gas giants? Plenty, it seems. The enormous ring-shaped phenomena triggered by lightning may occur on Jupiter, Saturn, and exoplanets.

Posted inResearch Spotlights

What’s Driving Titan’s Atmosphere?

by E. Betz 11 February 201522 March 2023

A new analysis of Cassini data reveals a major source of heavy hydrocarbons on Saturn’s moon Titan.

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