Enhanced E-region ionization produced by the aurora can be used to reflect signals from over-the-horizon radars and thus enable those radars to better monitor aviation in Arctic regions.
Aurorae
Posted inResearch Spotlights
Converting Auroral Observations into 3D Structures
Using 1D and 2D data sources as model constraints yields fine-scale insights into real-world aurorae.
Posted inEditors' Vox
Hidden Atmospheric Particles Sculpt Near-Earth Space Environment
Charged particles escape our atmosphere following Earth’s magnetic field and constitute a main source of matter that modulates Sun-Earth interactions.
Posted inResearch Spotlights
Could Low-Altitude Reconnection Power Jupiter’s Polar Aurorae?
Magnetic reconnection events less than 2 Jovian radii above the planet’s cloud tops could explain why Juno has yet to observe a source for Jupiter’s polar aurore.
Posted inResearch Spotlights
Filling the Gaps in the SuperDARN Archive
Researchers present a new pattern-finding technique to better estimate missing data on ionospheric plasma velocities.
Posted inResearch Spotlights
Understanding Aurora Formation with ESA’s Cluster Mission
Over 2 decades, Cluster has shed light on the auroral acceleration region, where parallel electric fields send charged particles on a collision course with the atmosphere.
Posted inEditors' Highlights
Dune Aurora Explained by Satellite-Ground Studies
Spacecraft observations support the mechanism for explaining auroral dunes observed from the ground by citizen scientists.
Posted inNews
A Space Hurricane Spotted Above the Polar Cap
Researchers have identified a high-latitude phenomenon that looks remarkably like a tropospheric hurricane, with spinning arms of plasma and a shower of electrons.
Posted inEditors' Highlights
Dawn Storms at Jupiter
Juno spacecraft observations provide the first global description of dawn storms in Jupiter’s aurorae, from their initiation to their end.
Posted inNews
Auroral “Dunes” Light Up Earth’s Atmosphere
The auroral feature, first spotted by amateur astronomers in 2015, likely traces high-altitude atmospheric waves.