Cosmic Kinematics: Galaxy Motions
- a collection of spectra
- Edwin Hubble's discovery paper (Hubble 1929)
- modern Hubble diagram from Hubble Telescope Key Project
- Hubble visualized
Implications of Hubble and Cosmo Principle
- interpreting the pattern Hubble flow:
- "egoist" explosion model: Milne (1933)
- cosmic expansion
- expansion quantified: cosmic scale factor
- the balloon and raisin cake analogies
