Vivid auroras lit up skies across North America and Europe as a severe G4 geomagnetic storm, one of the strongest this solar cycle, rattled Earth's magnetic field.
Severe geomagnetic storm sparks northern lights across North America and as far south as Mexico (photos)
Source: space
Source Link: https://www.space.com/stargazing/auroras/severe-geomagnetic-storm-sparks-northern-lights-across-north-america-and-as-far-south-as-mexico-photos