Northern lights wave above a cabin in Abisko in northern Sweden on January 7. "The entire sky opened up like a beautiful inferno," photographer Peter Rosén told spaceweather.com. "Red, blue and green like a dancing queen on the sky." The solar ejections that cause auroras can also create geomagnetic storms that can affect spacewalking astronauts, Earth-orbiting satellites, and even communications and power systems on the ground.
The Daily Galaxy via nationalgeographic.com