Sometimes, Earth mimics a supernova, producing a Terrestrial Gamma-ray Flash from the tops of thunderstorms. A new lightning sensor on the International Space Station could solve the mystery of these energetic bursts.
FULL STORY: http://science.nasa.gov/science-news/science-at-nasa/2013/10sep_firestation/
VIDEO: http://www.youtube.com/watch?v=vNmUfcc_zBk