A dark Earth from orbit. Live solar wind and the planetary K-index drive an EDM build-and-drop — the geomagnetic storm IS the drop, and auroral ovals ignite around the magnetic poles when it peaks.
A dark Earth from orbit. Live solar wind and the planetary K-index drive an EDM build-and-drop — the geomagnetic storm IS the drop, and auroral ovals ignite around the magnetic poles when it peaks.