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electricity

Plot showing X-Ray Diffraction patterns for products from Mars chamber electrostatic discharge experiments using hydrated magnesium sulfate salt starting materials.
Posted inEditors' Highlights

Martian Dust Activities Induce Electrochemistry

by Mariek E. Schmidt 7 January 202115 March 2023

Amorphous materials generated from sulfur and chloride salts by electrostatic discharge in a Mars chamber suggest widespread electrical processes during dust activities.

Illustration of lightning at Jupiter’s north pole
Posted inFeatures

Rayos Planetarios: Misma Física, Mundos Distantes

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 13 August 202012 April 2022

Un rayo en el planeta Tierra necesita sólo algunos simples ingredientes para generar una chispa. Esos ingredientes existen en todo el sistema solar y más allá.

Two charts showing simulated geoelectric fields along a profile running south-east to north-west through New York City
Posted inEditors' Highlights

Is Space Weather Worse by the Sea?

by Michael A. Hapgood 29 June 202028 March 2023

A new simulation of space-weather driven geoelectric fields at the land/sea conductivity boundary shows how these fields are magnified by both coastal effects and inhomogeneous land conductivity.

World map showing location of permanent geomagnetic observatories and their data availability for electromagnetic source characterization.
Posted inEditors' Highlights

Globally Variable Water Content in the Mantle Transition Zone

by S. D. Jacobsen 9 June 20204 August 2023

Using electromagnetic waves originating in the ionosphere and magnetosphere, conductivity profiles reaching the deep upper mantle show surprising variability in water content.

Satellite image of lightning flashing inside a giant thunderstorm over the bright terrestrial lights of Bolivia
Posted inFeatures

Studying Earth’s Double Electrical Heartbeat

Damond Benningfield, Science Writer by Damond Benningfield 4 May 202022 February 2023

Charged by thunderstorms and other weather phenomena, the global electrical circuit connects the entire planet.

Illustration of lightning at Jupiter’s north pole
Posted inFeatures

Planetary Lightning: Same Physics, Distant Worlds

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 24 April 202012 April 2022

Lightning on Earth needs just a few simple ingredients to generate a spark. Those ingredients exist throughout the solar system and beyond.

Artist’s illustration of the Magnetospheric Multiscale mission spacecraft traveling through Earth’s magnetic field
Posted inResearch Spotlights

Deciphering Electron Signatures in Earth’s Magnetic Tail

by Mark Zastrow 21 February 202018 July 2023

A new analysis of spacecraft data collected near the tip of Earth’s magnetotail sheds light on how geomagnetic activity affects the motion of electrons in this region.

NASA’S ICON satellite
Posted inNews

How to Launch a Satellite During a Blackout

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 29 January 202012 December 2022

PG&E shut down the power to Berkeley’s Space Sciences Laboratory right before a satellite launch.

Thunderclouds over the Mediterranean coast of Spain are illuminated by lightning
Posted inResearch Spotlights

Charging Thunderclouds Affect Ionospheric Conductivity

by David Shultz 6 September 20196 March 2023

As thunderstorm updrafts strengthen, electrification of clouds can heat the lower ionosphere, explaining prolonged disturbances to radio waves in the rarefied atmospheric layer.

Measurements of electron density from the COSMIC satellite
Posted inEditors' Highlights

Holistic Views of the Nighttime Ionosphere

by Michael W. Liemohn 22 July 201922 March 2023

The nightside ionosphere, at latitudes away from the auroral zone, should have very little charged particle density, but it doesn’t. A new comprehensive study of satellite data explains why.

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Features from AGU Publications

Research Spotlights

Orbiter Pair Expands View of Martian Ionosphere

20 June 202519 June 2025
Editors' Highlights

Coupled Isotopes Reveal Sedimentary Sources of Rare Metal Granites

17 June 202516 June 2025
Editors' Vox

Inside Volcanic Clouds: Where Tephra Goes and Why It Matters

16 June 202512 June 2025
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