Science ❯ Astronomy ❯ Solar Activity

Auroras

Geomagnetic Storms Northern Lights Aurora Borealis Coronal Mass Ejections Auroras Boreales Polarlichter Northern Lights Viewing Geomagnetic Phenomena Polar Lights AR 13664 / 13697 Widespread Auroras Visibility of Auroras Auroras Borealis

NOAA Ups Aurora Outlook: Kp 5 Could Bring Northern Lights to 15 U.S. States Tonight

NOAA’s upgrade reflects high-speed solar wind from a coronal hole compressing into a co-rotating region that elevates geomagnetic activity.