Cascading Event

On the morning of September 1, 1859, the Sun unleashed the most powerful geomagnetic storm in recorded history. A massive solar flare and coronal mass ejection — known as a CME — struck the Earth with such force that telegraph systems failed across the world, and in some cases burst into flames. Auroras blazed as far south as Hawaii. Scientists would come to call this the Carrington Event.Fourteen...