The Gamma-ray Universe:

Our Universe is the stage for events of inconceivable power. Stars explode, outshining 100 billion suns. Matter is obliterated in the dark heart of a black hole, or accelerated to almost the speed of light by its powerful jets. Intense flashes of invisible light come from the edge of the cosmos. Explore the gamma-ray universe and learn what GLAST will study by following the links below: