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magnetic fields & magnetism

Posted inResearch Spotlights

How Saturn Alters the Ionosphere of Titan

by Mark Zastrow 28 January 201615 March 2023

New research shows that Saturn's powerful magnetic field changes the atmospheric chemistry of its largest moon, Titan.

Posted inResearch Spotlights

Electric "Tornadoes" in Space Drive Disturbances Down to Earth

by Mark Zastrow 23 December 201516 November 2021

New simulations show how shocks in space can trigger vortexes in Earth's magnetic field, causing magnetic disturbances that are detectable from the ground.

Posted inScience Updates

Developing New Rock Magnetic Tools to Drive Geoscience Research

by J. M. Feinberg and L. Spinu 3 December 201521 October 2021

First Order Reversal Curve Workshop (FORCshop); Minneapolis, Minnesota, 23–24 July 2015

Posted inResearch Spotlights

Mercury's Magnetosphere Model Gets Retro Makeover

by Mark Zastrow 3 December 201527 July 2022

New observations from Mercury revive a once-abandoned model for its magnetic field, resulting in a new profile that better fits the data.

Posted inResearch Spotlights

What Makes Jupiter's Aurora Pulse?

by Mark Zastrow 13 November 20154 May 2022

The aurora crowning Jupiter's poles—the most powerful in the solar system—flares up when plasma is injected into its magnetic field.

Posted inResearch Spotlights

The Curious Case of the Halloween Ghost Electrons

by Mark Zastrow 30 October 201519 January 2023

When solar storms pounded Earth during Halloween in 2003, scientists were eager to measure their effects. But new research shows one satellite was seeing "ghost" particles that probably weren't real.

Posted inResearch Spotlights

New Clues to Mysterious Hiss in Earth's Plasmasphere

by Mark Zastrow 26 October 201527 September 2022

An analysis of the electromagnetic "hiss" that surrounds Earth reveals it's not just static; there's a signal hidden within, which may help scientists uncover its source.

Posted inResearch Spotlights

"Fingers" of Plasma Invade Saturn's Magnetic Field

by Mark Zastrow 15 October 201511 January 2022

NASA's Cassini probe observed vast amounts of plasma on the fringes of Saturn's magnetic field being mysteriously injected hundreds of thousands of kilometers inward.

Posted inResearch Spotlights

Magnetized Collisionless Shock Waves Measured in the Lab

by C. Minnehan 6 October 201512 October 2022

Scientists create collisionless shock waves to better understand the phenomenon in nature.

Posted inFeatures

Aurora Painting Pays Tribute to Civil War's End

by J. J. Love 24 September 20155 October 2021

Frederic Edwin Church's 1865 arctic landscape, Aurora Borealis, is a beautiful depiction of nature. It might also be a memorial reflection on the end of the war.

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