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.
plasmas
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
Jupiter’s Stressed Out Magnetosphere Causes Aurora and Heating
Force imbalance between Jupiter’s ionosphere and magnetosphere leads to wave generation to release this stress, but the waves also accelerate particles, causing aurora and heating.
Posted inResearch Spotlights
Plasma Activity Around Sunspots May Foreshadow Solar Storms
A new study identifies possible precursors to space weather in the regions encircling sunspots.
Posted inEditors' Highlights
A New Angle on the Earth’s Radiation Belts
A new empirical model of energetic electrons from Van Allen Probes data includes pitch angle analysis, revealing insights about radiation belt energization and loss processes.
Posted inResearch Spotlights
Understanding the Effects of Anthropogenic Space Weather
A large plasma hole generated by the vertical launch of the Formosat-5 satellite created temporary navigating and positioning errors of up to 1 meter, according to a new study.
Posted inEditors' Vox
The Big Picture in Geospace
A NASA stereo-imaging mission called TWINS continues to push the boundaries of what we know about the region of space close to Earth.
Posted inResearch Spotlights
Tracing the Path of Gas Atoms from Earth to the Final Frontier
Scientists capture the first complete image of Earth’s luminous geocorona and prove its ecliptic north–south symmetry.
Posted inEditors' Highlights
New Observations of Mysterious Radar Echoes
Exploring the relationship between solar extreme ultraviolet radiation flux and 150-km radar echoes.
Posted inEditors' Highlights
The “Magnetic-less” Magnetotail Boundary
Most boundaries in space are governed by magnetic fields, but not far behind the Earth, where the field change across the magnetopause plays very little role in the pressure balance relationship.