A high-resolution image of the sun taken in extreme ultraviolet light, showing a massive dark coronal hole on its surface. The coronal hole appears as a large black region where the sun’s magnetic field has opened up, allowing solar wind to escape into space. Bright swirling plasma structures surround the dark area, and the sun's outer atmosphere, or corona, glows in shades of gold and orange.
Aurora forecast
(Image credit: Daisy Dobrijevic/Canva)
Keep up with current northern lights forecasts and geomagnetic storm warnings with our aurora forecast live blog.
A massive 500,000-mile-wide (800,000-kilometer) coronal hole in the sun's atmosphere is unleashing a stream of fast-moving solar wind toward Earth, potentially supercharging auroras on Jan. 31 and Feb. 1.
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