The Evolution of High Mass Stars

• post-main sequence: supergiants
• appearance on HR diagrams like this and this
• stellar structure before explosion

Supernova Explosions

• SN 1994D; Veil nebula: zoom out, in, and further in
• SN1572 (Tycho): X-ray/optical/IR
  
• SN1054: Chaco Canyon, New Mexico paintings ; HST Crab nebula
• Heavy element synthesis: the circle, the circle of life
• Supernova 1987A
  • before/after
  • HST rings: time evolution
  • neutrinos detected by Kamiokande