A sequence of pictures taken by the IMAGE satellite of an aurora borealis sequence. From space, the aurora appear as a halo of light centered on the magnetic north and south poles. (Courtesy: IMAGE-FUV)
This image appears in the Technology Through Time article, #61: "What Causes An Auroral Storm?".
The March 13, 1989 Quebec blackout, the result of a major geomagnetic storm, caused a $6 billion loss to the Canadian economy.