The wave-like features in the pre-midnight ionosphere are not moving, vary strongly from day-to-day, and are often associated with the equatorial plasma bubbles, but their origin is still unknown.
Equatorial ionosphere
Posted inEditors' Highlights
High Resolution Imaging of Ionosphere by Lightning
The three-dimensional distribution of electron density in the Earth’s ionosphere could be obtained using the broadband radiation of naturally occurring lightning discharges.
Posted inResearch Spotlights
Dramatic Stratospheric Warmings Carved a Hole in the Ionosphere
A new study of sudden temperature spikes in Earth’s stratosphere could improve space weather forecasting.
Posted inEditors' Highlights
New Observations of Mysterious Radar Echoes
Exploring the relationship between solar extreme ultraviolet radiation flux and 150-km radar echoes.
Posted inResearch Spotlights
Mysterious "Necklace Echoes" in the Sky Explained
Scientists studying a 50–year–old mystery in the Earth's ionosphere have come up with their best explanation of it yet.