Earth’s Tilted Magnetic Field 41,000 Years Ago Pushed The Auroras to Unexpected Places
If you want to be dazzled by a spectacular northern lights display, your best bet is to skywatch near the North Pole. But that wasn’t the case 41,000 years ago, when a disruption of Earth’s magnetic field sent auroras wandering toward the equator. During this geomagnetic disturbance, known as the Laschamp event or the Laschamp excursion, … Read more