'Surfing' particles: Physicists solve a mystery surrounding aurora borealis

STEVE – Strong Thermal Emission Velocity Enhancement — is a rare space weather phenomenon. It was not formally described until 2018, though descriptions were found from a Norwegian scientist who recorded these strange Aurora between 1911 and 1944.

KiNET-X Experiment: NASA Launches Rocket in Search of Aurora Answers

Diffuse Auroral Eraser: Physicists Discover a New Type of Aurora