» Space & Exploration - Supernovas
  • Chandra - Field Guide to X-ray Sources - Supernovas & Supernova Remnants - An explanation of cosmic X-ray sources, from black holes to galaxy clusters, as well as a review of the history of X-ray astronomy, what X-rays are and how they are produced
  • A supernova is an explosion of a massive supergiant star. It may shine with the brightness of 10 billion suns! The total energy output may be 1044 joules, as much as the total output of the sun during its 10 billion year lifetime