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light

Panoramic photo showing glowing ripples left in the sky by an atmospheric gravity wave
Posted inResearch Spotlights

Gravity Waves Leave Ripples Across a Glowing Night Sky

by Jack Lee 18 November 202021 September 2022

A thunderstorm made waves on a rare “bright night.”

Venus's clouds as seen by Mariner 10 in 1974
Posted inNews

¿Podría la Vida Estar Flotando en las Nubes de Venus?

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 14 October 20208 September 2022

Si están presentes, los microbios podrían explicar patrones de evolución en la atmósfera planetaria de Venus, al observarse con luz ultravioleta.

An aircraft releases chemical dispersant on 5 May 2010 over oil floating on the surface of the Gulf of Mexico
Posted inFeatures

¿Por Qué la Luz Solar es Importante para los Derrames de Petróleo en el Mar?

by Collin P. Ward, C. M. Reddy and E. B. Overton 6 October 202018 May 2022

Una década de investigación desde el desastre de Deepwater Horizon ha revelado cómo la luz solar—su importancia subestimada durante mucho tiempo en la ciencia de derrames de petróleo—altera sustancialmente el petróleo que flota en la superficie del mar.

Right: Image of a solar flare observed on 19 October 2014. Left: Diagram showing configuration of the planets at the time of the flare
Posted inEditors' Highlights

The Importance of Solar Lyman-alpha Emissions for Space Weather

by Michael A. Hapgood 29 September 202013 October 2022

Lyman-alpha emissions convey a major part of the solar-flare photon energy reaching Earth and play a significant role in flare-driven enhancements of ionospheric conductivity.

Globe with debris littering low Earth orbit
Posted inNews

Flickers of Light Help Map the Space Junkyard

by Camilo Garzón 30 July 202026 January 2022

Researchers are identifying space debris by measuring its flickering patterns of reflected light.

An aircraft releases chemical dispersant on 5 May 2010 over oil floating on the surface of the Gulf of Mexico
Posted inFeatures

Why Sunlight Matters for Marine Oil Spills

by Collin P. Ward, C. M. Reddy and E. B. Overton 28 April 202018 May 2022

A decade of research since the Deepwater Horizon disaster has revealed how sunlight—its importance long understated in oil spill science—substantially alters petroleum floating at the sea surface.

The track of a boulder that tumbled into one of the Moon’s permanently shadowed regions
Posted inNews

Shedding Light on the Darkest Regions of the Moon

by C. Fogerty 21 February 202021 February 2023

An international team of researchers is analyzing boulder tracks to learn more about some of the most elusive regions on the Moon.

Close-up view of Sargassum natans, a seaweed commonly found in the Gulf of Mexico
Posted inResearch Spotlights

Sunlight Stimulates Brown Algae to Release Organic Carbon

Sarah Stanley, Science Writer by Sarah Stanley 2 December 20194 January 2024

Sargassum and other brown algae might be an underappreciated contributor of organic compounds called polyphenols to the open ocean.

A research vessel next to Arctic ice
Posted inNews

Light Permeates Seasonally Through Arctic Sea Ice

Katherine Kornei, Science Writer by Katherine Kornei 6 September 201925 January 2023

The transmission of sunlight through Arctic sea ice depends on the presence of ice, snow, and melt ponds, data collected over 6 years reveal.

Posted inEditors' Highlights

3D Radiation-Topography Interaction Warms Up Tibetan Plateau

by Z. Li 16 April 20196 December 2022

3-D radiation-topography interaction, which can increase the sunlight absorption by the surface, is missing in all climate models, causing strong cold biases over the Tibetan Plateau.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

Forty Thousand Cubic Meters of Fresh Water Flow from the Congo into the Atlantic Every Second. A New Study Traces Where It Goes from There.

2 July 20262 July 2026
Editors' Highlights

Reconnecting to the Lunar Trailblazer with Light 

6 July 20266 July 2026
Editors' Vox

Small-Scale Indian Ocean Dynamics Underpin Marine Ecology and Climate

4 June 20263 June 2026
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