Aurora borealis September 2026: SOLAR-1, America's first dedicated space weather satellite, tracked a coronal hole stream in ...
A fast-moving stream of solar wind from a canyon-shaped coronal hole may trigger a minor geomagnetic storm as early as tonight.
Coronal holes are temporary features of our star’s surface that can have far-reaching consequences.
The Sun's rotation caused the coronal hole to face our planet and a blast of solar wind is en route.