PBS
Pbs Learning Media: Gamma Ray Burst Theories
This video segment from Swift: Eyes through Time introduces and explains theories of the origin of gamma-ray bursts. [4:11]
NASA
Nasa: Imagine the Universe: "Burst Behind the Sun"
Site provides the article, "Burst Behind the Sun Reveals Magnetic Charm of Distant Explosion," that details on a gamma-ray burst that occurred on December 6, 2002. Provides graphics and links to learn more about gamma-ray bursts.