Red and green auroras may share electron-driven origins

With their mysterious glow and swirling veils of color, auroras enchant even experienced researchers. When a particularly intense solar storm reached Earth on the night of May 10, 2024, and relevant websites predicted auroras even for southern Lower Saxony, several researchers from the Technical University of Braunschweig, the Fraunhofer Institute for Surface Engineering and Thin Films IST, the University of Göttingen, and the Max Planck Institute for Solar System Research (MPS) took to the outdoors.