A study of nightglow over India reveals that gravity waves are less important than previously thought.
aurorae
Posted inResearch Spotlights
Probing the Origin of a New Celestial Phenomenon
The first statistical study of STEVE events suggests that the appearance of these narrow ribbons of light is closely correlated with violent disturbances in Earth’s magnetosphere.
Posted inEditors' Highlights
Can Moderate Space Weather Have Major Impacts?
Pipeline corrosion is an example of why we need better awareness of how long-term exposure to moderate space weather may have significant economic impact by slowly degrading vulnerable systems.
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 inEditors' Highlights
Cassini Reveals a Missing Link on Saturn’s Rotating Aurora
The bright aurorae dancing in the sky are produced by charged particles traveling along the magnetic field lines from tens of planetary radii. By why do aurorae rotate at Saturn but not at Earth?
Posted inEditors' Highlights
Extreme Space Conditions at Mars: The 10 Largest Electron Events
A solar cycle of data was scoured for the biggest electron energy fluxes seen in the Mars space environment.
Posted inResearch Spotlights
How Two Massive Space Storms Zapped Alaska
New study reveals how space weather causes rapid fluctuations in Earth’s surface geomagnetic field.
Posted inResearch Spotlights
Mysterious Aurora Borealis Feature Explained for the First Time
High-speed particles cause indentations in the magnetopause to form “throat auroras.”
Posted inNews
An Aurora of a Different Color
Meet STEVE, a purple and green, low-latitude, aurora-like phenomenon whose inner workings were uncovered with the help of citizen scientists.
Posted inEditors' Highlights
Modeling Geospace: Quantifying the Known-Unknowns
Imperfect knowledge of high-latitude forcing of the coupled ionosphere-theremosphere system translates into uncertainty in the low-latitude and midlatitude response to a geomagnetic storm.