Super-energized particles from the radiation belts and from auroral storms can damage the sensitive electronics of satellites.
Birkeland's experiments failed to account for one of the most important traits of auroras : they are common around the polar regions but exceedingly rare at the poles themselves.
Radio waves appear to be tied to the brightest auroral spots.
People as far south as Virginia were treated to fantastic auroral displays in the night sky.
Nevertheless, the potential exists for periods of strong auroral storm conditions developing during the next several days (at least).
Bound to the Earth, our only naturally occurring experience with space weather comes from what we can see with our eyes: eclipses, comets, auroras , and sunspots.
A few years ago it was suggested that auroral phenomena could exist on Mars too.
Vivid red auroral rays glowed over all over North America, stretching as far south as Arizona, southern California, Mississippi, and Texas.
He expanded on their work by pulling in historical records of auroras , naked-eye sunspots, and eclipses.
During auroral light shows, extraneous electric currents would flow through the wires, superseding the normal telegraph currents and making transmission of messages almost impossible.