Naval radio signals may cause the formation of a barrier observed during geomagnetic storms that is seemingly impenetrable by relativistic electrons.
Magnetosphere: inner
Posted inEditors' Highlights
Energetic Electrons Can Penetrate the Stratosphere
Precipitations of electrons with energies greater than 30 kiloelectron volts from the slot region penetrate at low altitude and can contribute to destroy ozone.
Posted inResearch Spotlights
Magnetic Field Pulsations and Aurora Tightly Linked
Mysterious plasma waves from space are generating displays of aurora near Earth's poles.
Posted inResearch Spotlights
The Curious Case of the Halloween Ghost Electrons
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
Predicting Space Weather on a Satellite Superhighway
Scientists combined 82 satellite years of data to create a more comprehensive model of how plasma behaves in a region of Earth's magnetosphere with heavy spacecraft traffic.
Posted inResearch Spotlights
Trapping Waves in Earth's Plasmasphere
Satellite observations explain why magnetosonic waves can be found in regions far from where they originate.