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light

Schematic representation of the model presented in this study.
Posted inEditors' Highlights

What Electrons Can Tell Us About the Speed of Sand

by Harrison Gray 13 February 202328 March 2023

A new sediment tracer uses the interactions between radiation, charge, and the Sun to uncover the hidden transport histories of sand grains.

Illustration of a forest on the left side beneath a dark, starry sky that transitions to a cityscape on the right side, with bright lighting
Posted inNews

Starry Nights Are Disappearing

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 10 February 2023

Stars dim as the sky gets brighter, a result of expanding cities and bright LEDs. Simple low-tech changes can help preserve dark night skies.

Palm swamp in Peru
Posted inNews

Peeking at Peatlands: Satellite Data Fuel New Findings

Adityarup Chakravorty, freelance science writer by Adityarup Chakravorty 15 June 202229 June 2022

Researchers are combining hard-to-get field measurements with satellite imagery to gain new insight into where peatlands are and how they work.

A poof of red and yellow light shoots out of a dark red and black star
Posted inNews

Coronal Dimmings Shine Light on Stellar CMEs

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 6 June 202225 August 2022

Coronal mass ejections from stars have eluded easy observation, so scientists are looking at what’s left behind.

Three panels adapted from the paper that show moonlight imagery, a low cloud test, and a cloud mask.
Posted inEditors' Highlights

When Less is More—The Moon Sheds Light on Clouds at Night

by Jonathan H. Jiang 12 April 202226 April 2022

Shining light into the dark reveals the unseen, but in some cases, it changes our perception of reality. Through moonlight we learn how the environment tricks our ways of finding nocturnal clouds.

A bright blue light is seen just under the water’s surface off the back of a docked boat.
Posted inFeatures

A Bright, LED-Lit Future for Ocean Sciences

by Collin P. Ward 20 December 202118 April 2022

LEDs have taken over the global lighting market. Now it’s time for this versatile, low-cost, and energy-efficient technology to illuminate oceanic processes.

Birds flying over a city at dawn
Posted inNews

Bright Lights, Big Cities Attract Migratory Birds

by Brian Phan 14 December 202127 March 2023

The first stopover site map for U.S. migratory birds reveals the attraction of urban light pollution.

Plot comparing of spectral dependence of relative solar cycle variability in percentage change from the 2009 minimum level for the SSI3 composite for four solar cycles.
Posted inEditors' Highlights

Newly Improved Solar Spectral Irradiance Composite Record

by Astrid Maute 11 October 20216 December 2022

A new study accurately captures solar irradiance, which is crucial to understand the energetics and radiation balance of Earth and its influences on the cryosphere, atmosphere, and ocean currents.

Sunrise over snow.
Posted inNews

Laser Flashes Shed Light on a Changing Arctic

Katherine Kornei, Science Writer by Katherine Kornei 18 May 202116 February 2022

An ongoing project in northern Alaska is using pulses of laser light to monitor anthropogenic activity, ice quakes, and marine wildlife.

A small plastic disk levitates above an LED array in a vacuum chamber.
Posted inNews

Flying Saucers Could One Day Probe the Mesosphere

Damond Benningfield, Science Writer by Damond Benningfield 25 March 20212 September 2022

Researchers have created thin, levitating disks that could be used to study the mesosphere, a layer of Earth’s atmosphere that’s difficult to reach with conventional flyers.

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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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