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X-rays, gamma rays, and neutrinos

Photo of S-band radar site with Mt. Aragats in the background.
Posted inEditors' Highlights

Radar Diagnosis of the Thundercloud Electron Accelerator

by Minghua Zhang 14 June 202210 March 2023

Altitude-resolved S-band radar observations of graupel are used to decipher thunderstorm ground enhancements in surface electric field and gamma ray flux.

An image of the Sun showing an eruption of solar material from the Sun’s left side.
Posted inNews

Chinese-Led Solar Research Is Looking Bright

Katherine Kornei, Science Writer by Katherine Kornei 24 May 202210 March 2023

With new missions underway and planned, China is stepping up to observe our nearest stellar neighbor.

Cubes of gray-black perovskite in a brown matrix
Posted inNews

How a Newly Discovered Mineral Might Explain Weird Mantle Behavior

by Alka Tripathy-Lang 19 April 202213 January 2023

Scientists not only synthesized davemaoite but deformed it at lower mantle conditions. They found its strength and viscosity to be substantially lower than those of other minerals that make up the lower mantle.

Artwork of high-energy lightning events in the sky
Posted inResearch Spotlights

Observations from Space and Ground Reveal Clues About Lightning

Sarah Derouin, Science Writer by Sarah Derouin 11 June 202110 March 2023

In a coordinated monitoring effort, scientists have uncovered the timing and triggering of high-energy lightning events in the sky.

Illustration of the Wind spacecraft in front of the magnetosphere that surrounds Earth.
Posted inEditors' Vox

Wind: Discoveries and Impacts of a Venerable Spacecraft

by L.B. Wilson III 18 May 202110 March 2023

Wind has been one of the most robust, diverse, long-lasting, and impactful heliophysics missions ever to have been carried out.

Detector and lightning locations for two observed events in Kanazawa, Japan
Posted inEditors' Highlights

Lightning Discharge Type Linked to Terrestrial Gamma‐Ray Flashes

by Minghua Zhang 1 September 202013 February 2023

For the first time, the connection between energetic in cloud pulse and terrestrial gamma‐ray flashes is confirmed in the Gamma-Ray Observation of Winter Thunderclouds experiment in Japan.

College students smile with open and closed boxes with tech equipment, labeled HELEN
Posted inNews

Students Launch Balloon-Borne Payloads into Thunderstorms

Katherine Kornei, Science Writer by Katherine Kornei 28 January 202019 January 2023

The High Energy Lightning Emission Network project hopes to detect elusive bursts of light and particles called terrestrial gamma ray flashes.

Armenia’s Lake Kari sits near the top of Mount Aragats.
Posted inScience Updates

Understanding High-Energy Physics in Earth’s Atmosphere

by A. A. Chilingarian 8 January 202010 March 2023

Thunderstorms present a variety of hazards, including emissions of ionizing radiation. An international group of scientists met at an Armenian observatory to share their findings.

A large piece of technology is deployed into the ocean from a ship.
Posted inNews

An Underwater Telescope to Study Sky and Sea

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 25 June 201917 January 2023

To peer into the farthest reaches of the universe, you must first build a giant underwater telescope.

Photo of twelve gold grains used in this study
Posted inEditors' Highlights

X-Ray Computed Tomography Detects Resolution Scale Gold Grains

by A. Revil 2 May 201928 February 2023

A method combining partial-volume and blurring effects can be used to measure small features in computed tomography data volumes.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Geophysical Research Letters
“Neural Networks Map the Ebb and Flow of Tiny Ponds”
By Sarah Derouin

EDITORS' HIGHLIGHTS
Community Science
“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
Reviews of Geophysics
“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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