The loss cone of energetic particles in the Earth’s inner magnetosphere is substantially modified during disturbed times, with important implications for the radiation-belt and ring current modeling.
astrophysics
Posted inEditors' Highlights
The Auroral E-region is a Source for Ionospheric Scintillation
Observations reveal a connection between auroral particle precipitation and scintillation, indicating that the ionospheric E-region is a key source region for phase scintillation at auroral latitudes.
Posted inEditors' Vox
Wind: Discoveries and Impacts of a Venerable Spacecraft
Wind has been one of the most robust, diverse, long-lasting, and impactful heliophysics missions ever to have been carried out.
Posted inNews
Taking Stock of Cosmic Rays in the Solar System
Scientists seek to understand the elusive properties of stellar and galactic cosmic rays before searching for life on exoplanets.
Posted inResearch Spotlights
A New Approach to Characterizing Space Plasmas
When plasma particle velocity distributions have multiple, distinct parts, treating each as a separate beam may yield more intuitive results.
Posted inEditors' Highlights
All Hands on Deck to Catch Ion Cyclotron Waves
An international armada of orbiting satellites and ground VLF network join forces to form a “magnetosphere-ionosphere observatory” to size up electromagnetic ion cyclotron waves in the magnetosphere.
Posted inNews
Ghostly Particles from the Sun Confirm Nuclear Fusion
Using the Borexino particle detector—located deep underground in Italy—researchers spot elusive neutrinos from the Sun’s CNO cycle.
Posted inResearch Spotlights
“Electron Wings” Can Interfere with Spacecraft Measurements
Spacecraft sometimes produce a form of electrical self-interference as they zip through plasmas in space—a previously unreported effect that may be lurking in old data sets.
Posted inNews
More Than Just Astronomy: Radio Telescopes for Geophysics
Linking an existing network of radio telescopes with satellite radar would make it possible to measure ground displacements in a globally consistent way, scientists propose.
Posted inEditors' Highlights
First Inside Look at Hot and Cold Ions in Jupiter’s Ionosphere
The first in-situ ion observations from NASA’s Juno spacecraft reveal the surprising, simultaneous presence of cold protons and hot oxygen and sulfur ions in the high-latitude ionosphere of Jupiter.