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Two young people riding aboard a boat pick through mud with their hands in search of meteorites.
Posted inNews

Community Scientists Recover Micrometeorites from Lake Michigan

by Katherine Kornei 15 August 202215 August 2022

A team of scientists, educators, and teenagers discovered the objects, some of which may have been delivered by a fireball that streaked across the sky in 2017.

Uranus and Neptune as seen by Voyager 2
Posted inResearch Spotlights

A Unified Atmospheric Model for Uranus and Neptune

by Morgan Rehnberg 1 August 20221 August 2022

In a new model, three substantial atmospheric layers appear consistent between the ice giants.

Artist’s rendering of the near-Earth object Kamo’oalewa
Posted inNews

Asteroid May Be a Chip off the Old Moon

by Stacy Kish 9 December 202121 March 2022

Spectral data suggest that Kamo‘oalewa, a near-Earth asteroid, has a composition similar to lunar rocks.

The LIBS instrument that is part of SuperCam
Posted inNews

Lasers Have the Makings of a 21st-Century Geoscience Tool

by Richard J. Sima 15 October 202120 December 2021

Laser-induced breakdown spectroscopy is a versatile geochemical tool being used in a wide range of applications, from Mars rovers to earthly rock identification.

Posted inEditors' Highlights

Red and Green Aurora Stop and Go for Different Reasons

by Viviane Pierrard 5 July 201911 August 2022

Green-line arc is found to be embedded within large-scale upward field aligned currents while red-line-only arc is found to be associated with low-energy precipitation bursts.

Posted inEditors' Highlights

Retrieving Tropospheric Ozone from Ground-based Spectroscopy

by Z. Li 5 November 201826 October 2021

A new technique can retrieve the profile of ozone from surface to tropopause by MAX-DOS ground-based measurements.

Posted inEditors' Highlights

What Happens Inside Rocks as They Fail?

by M. Cooke 21 March 20186 October 2021

An innovative technique provides micro-scale resolution on the three-dimensional evolution of damage within crystalline rocks that leads to fault nucleation.

A multicopter fitted with a retroreflector to receive a laser frequency comb signal.
Posted inNews

Airborne Laser Spectroscopy System Can Map Atmospheric Gases

by Kimberly M. S. Cartier 31 July 201726 October 2021

A new versatile spectroscopy system could create ultraprecise maps of Earth’s atmosphere, detect methane emission sources, and scan for chemical weapons.

Researchers spot a new technique to seek out sources of nitrous oxide
Posted inResearch Spotlights

New Technique Could Help Scientists Track Nitrous Oxide Sources

by Sarah Stanley 12 July 201725 July 2022

A long-term study in Switzerland reveals the promise of a new method to determine isotopic composition of the potent greenhouse gas.

New research suggests Jupiter’s aurora are produced by processes unlike those on Earth
Posted inResearch Spotlights

Mysterious Particle Beams Found over Jupiter’s Poles

by Mark Zastrow 19 June 201711 August 2022

The unexpected character of the beams, revealed by NASA’s Juno spacecraft, suggests that the processes that produce Jupiter’s auroras are unlike those on Earth.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
JGR: Solid Earth
“New Tectonic Plate Model Could Improve Earthquake Risk Assessment”
By Morgan Rehnberg

EDITORS' HIGHLIGHTS
AGU Advances
“Eminently Complex – Climate Science and the 2021 Nobel Prize”
By Ana Barros

EDITORS' VOX
Perspectives of Earth and Space Scientists
“New Directions for Perspectives of Earth and Space Scientists”
By Michael Wysession


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