Relativity for the Impatient Cosmologist

Spacetime and Special Relativity

• events, space, and time in pre-relativity physics
• Galilean invariance
• Lorentz invariance
• spacetime
• the interval
• invariance vs covariance

What about gravity?

• equivalence principle, Galileo experiment
  rocket Gedankenexperiment
• strong lensing: 1919 eclipse; galaxies
• gravitational redshift: Pound & Rebka (1960)