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plasmas

Colored lines in a spiral pattern overlay a plain white sphere.
Posted inNews

Spiral Waves May Explain the Sun’s Baffling Rotation

by Matthew R. Francis 29 May 202429 May 2024

New observations and models show a connection between high-latitude waves in the Sun’s interior and the different rates of spin between the solar equator and poles.

Simulation of an Alfvén wave in a dipole magnetic field.
Posted inEditors' Vox

Exploring Alfvén Waves Across Space—and Disciplines

by Andreas Keiling 26 March 202425 March 2024

A new book presents an interdisciplinary review of Alfvén wave research, sharing the latest insights from the solar, planetary, and terrestrial sciences.

Yellow partial sphere on a black background. Within the sphere are streaks of brighter yellow and a large black region.
Posted inNews

Magnetic Tangles Drive Solar Wind

by Matthew R. Francis 20 July 202320 July 2023

Energetic collisions between magnetic fields produce gusty solar wind.

Photo looking down on Earth from a satellite, showing red and green streaks flickering in the atmosphere
Posted inNews

Eavesdropping on the Vibrations of Earth’s Magnetic Bubble

by Erin Martin-Jones 9 May 202316 May 2023

A NASA-funded crowdsourced science project has converted the unheard sounds resonating inside Earth’s magnetic shield into audible tracks, revealing an orchestra of whistles, wooshes, and chirps.

Graphs from the paper.
Posted inEditors' Highlights

Wind Shear Instabilities Emit Gravity Waves

by Yuichi Otsuka 27 April 202327 April 2023

A new study shows that atmospheric gravity waves can be generated by the Kelvin-Helmholtz instabilities in the wind shear layer.

An orange “doughnut,” the plasmasphere, encircles Earth, with curved lines representing Earth’s magnetic field arcing through it and the Moon in the background.
Posted inNews

Tides Ripple Across Earth’s Plasma “Donut”

Damond Benningfield, Science Writer by Damond Benningfield 4 April 20234 April 2023

Interactions between lunar gravity and the terrestrial magnetic field may cause a 90° offset from the Moon’s position in its orbit.

The laser device sits on top of Mount Säntis, shooting a green laser into a cloudy sky.
Posted inNews

How to Bend Lightning with a Laser Beam

by Bill Morris 24 February 202324 February 2023

For the first time, scientists have redirected lightning using a laser beam. And that’s just the start of what’s possible.

Photograph of the ionosphere taken from the International Space Station.
Posted inEditors' Vox

The International Reference Ionosphere – A Model Ionosphere

by Dieter Bilitza 15 February 202321 February 2023

An accurate and reliable description of Earth’s ionosphere is of critical importance because of our increased reliance on satellite technology and the significant impact the ionosphere has on it.

Computer-generated visualization of solar plasma interacting with Earth’s magnetic field.
Posted inFeatures

Space Raindrops Splashing on Earth’s Magnetic Umbrella

by Laura Vuorinen, Adrian LaMoury, Emmanuel Masongsong and Heli Hietala 7 October 202218 July 2023

Though not as damaging as extreme space weather events, showers of plasma jets hit Earth’s magnetic shield every day—yet we’re only beginning to understand their effects.

Diagram showing the interior of the Sun
Posted inFeatures

Shake, Rattle, and Probe

Damond Benningfield, Science Writer by Damond Benningfield 25 August 202217 January 2023

Helioseismology allows scientists to study the interior of the Sun, solve some basic physics mysteries, and forecast space weather.

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Simplicity May Be the Key to Understanding Soil Moisture

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Editors' Highlights

Creep Cavitation May Lead to Earthquake Nucleation

22 May 202521 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 2025
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