Fusion in the Sun

• Reactions and products
  • deuterium
  • positrons
  • neutrinos
• Where does the energy come from?
• A prizewinning theory

The Evidence: Solar Neutrinos

• Radiochemical experiments
  • The pioneer: Ray Davis and the Homestake Mine experiment
• Scattering experiments
  • Super-Kamiokande (Japan): gallery phototube and partially filled detector volume; detection techinque and neutrino events; Super-K neutrino image of the Sun
    
  • Sudbury Neutrino Observatory and SNOLAB (Canada) ; detector images
  • Borexino in Gran Sasso, Italy
• The 2002 Nobel Prize in Physics
• Coda: Cosmic Gall, by John Updike