Naval radio signals may cause the formation of a barrier observed during geomagnetic storms that is seemingly impenetrable by relativistic electrons.
Wave/particle interactions
Posted inEditors' Highlights
Human-made Emissions Modify Electron Space Environment
Very Low Frequency transmitters used for communications with submarines modify the dynamics of energetic electrons in the inner radiation belt and the slot region.
Posted inResearch Spotlights
New Plasma Wave Observations from Earth’s Magnetosphere
The first simultaneous observations of multiple electromagnetic wave types in Earth’s magnetosphere may inaugurate a new field of inquiry into cross-frequency wave interactions.
Posted inEditors' Highlights
Where the Solar Wind Meets Mars
A comprehensive look at how the solar wind is diverted around Mars, including the relative strength of the three biggest forces at work in this region.
Posted inResearch Spotlights
How Lightning Creates "Killer Electrons" in Earth's Radiation Belts
New calculations show that lightning-triggered plasma waves in Earth's magnetosphere absorb energy from slow particles and energize electrons to levels that can damage satellites severely.
Posted inResearch Spotlights
New Clues to Mysterious Hiss in Earth's Plasmasphere
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
Spacecraft Records Rising-Tone Magnetosonic Waves
A rising tone in wave frequencies suggests a complicated, nonlinear series of interactions between electromagnetic sound waves and protons near the magnetic equator.