Radio waves are providing a new way to probe the Sun and suggest that the magnetic field of its corona may be stronger than long thought.
magnetic fields & magnetism
Posted inGeoFIZZ
Was Ahab Truly “Lord of the Level Loadstone”?
Herman Melville’s bicentennial provides a good excuse to examine how well the Pequod’s monomaniacal mariner knew his geomagnetic magic.
Posted inResearch Spotlights
Sampling the Space Between the Stars
Data from the Cassini and Voyager spacecraft reveal new information about the Sun’s magnetic bubble.
Posted inNews
Moon Sheds Light on Early Solar Spin
Lunar samples reveal that the Sun spun relatively slowly in its first billion years and blasted the Earth and Moon with coronal mass ejections.
Posted inResearch Spotlights
Data Mining Reveals the Dynamics of Auroral Substorms
An analysis of 5 decades of satellite data has pieced together the most comprehensive picture yet of substorms, the magnetic disturbances that cause surges of aurora.
Posted inNews
New Model Shines Spotlight on Geomagnetic Jerks
Scientists get one step closer to being able to predict jerks—notoriously capricious changes to Earth’s geomagnetic field detectable by satellites.
Posted inResearch Spotlights
Jupiter’s Northern Lights on Display in Otherworldly Movie
The first movie of Jupiter’s infrared aurora gives scientists a new look at the Jovian magnetic field.
Posted inScience Updates
Finding the Gaps in America’s Magnetic Maps
A 2017 executive order mandated a plan to evaluate U.S. access to critical mineral resources, but the airborne magnetic survey maps that support this effort are sadly out of date.
Posted inResearch Spotlights
Magnetic Anomalies on the Pacific Plate Reveal True Polar Wander
A new study rebuffs the standard approach to paleomagnetism and offers an updated methodology and new locations of paleomagnetic poles.
Posted inEditors' Highlights
Plasma Density Distribution in Mercury’s Magnetosphere
A new measurement of plasma density distribution in Mercury’s magnetosphere obtained from observations of field line resonance events provides necessary constraint for many planetary science issues.