INTENSE Aurora Display Over Sweden!

Astrophotographer Göran Strand was out on the night of Aug. 26 in Östersund, Sweden, when the sky erupted in auroral flames! He caught the whole thing in both time-lapse and real-time video, and it's stunning. Wow! Aurorae are formed when subatomic particles from the Sun are funneled down into our atmosphere by the Earth's magnetic field. They zip down into our air, energizing atoms and molecules, causing them to glow. Each particle makes a more-or-less vertical line of glow, and huge streams ...