Supernova 1987A

• before/after
• HST rings: time evolution
• neutrinos detected by Kamiokande

Neutron Stars

• Size: neutron star/Manhattan comparison

Pulsars

• radio signal: listen!
• Crab Pulsar in X-rays;
• newly-discovered gamma-ray pulsars
• lighthouse model
• Prizes awarded and not

General Relativity

• Big Al
• Principle of Equivalence
  an especially nice animation of the rocket experiment; another very nice relativity site with good animations
• The first evidence for light bending: 1919 eclipse and media reaction
• More recent evidence