Colliding Auroras Produce Explosions of LightColliding Auroras Produce Explosions of Light
<p><a href="http://www.nasa.gov/images/content/410759main_threeframes_big.jpg" target="_blank"></a>A network of cameras deployed around the Arctic in support of NASA’s THEMIS mission has made a startling discovery about the Northern Lights. Sometimes, vast curtains of aurora