Amorphous materials generated from sulfur and chloride salts by electrostatic discharge in a Mars chamber suggest widespread electrical processes during dust activities.
Electric fields
Posted inEditors' Highlights
Citizen Scientists Observe Mysterious Green Streaks Below STEVE
Citizen scientists provided images of sub-auroral STEVE (Strong Thermal Emission Velocity Enhancements) showing fine-scale green features with narrow streaks propagating poleward toward STEVE.
Posted inFeatures
Studying Earth’s Double Electrical Heartbeat
Charged by thunderstorms and other weather phenomena, the global electrical circuit connects the entire planet.
Posted inResearch Spotlights
Where Are the Electrical Currents in the Enceladus Plume?
A plume of water ice that escapes Saturn’s moon Enceladus should be coursing with electrical currents, but data are mixed. Now simulations suggest that a sticky dust cloud may shield signals.
Posted inResearch Spotlights
Retracing the First Spaceborne Electric Field Measurement
Fifty years ago, a sounding rocket made history by taking the first measurement of an electric field in space. What techniques were used to capture this data?
Posted inResearch Spotlights
Half of Atmospheric Joule Heating Is Due to Small Oscillations
Scientists use sounding rockets to show that small oscillations in electric fields can be just as important for atmospheric Joule heating as the presence of the electric field itself.