Cosmic kinematics: Galaxy motions
- a collection of spectra
- Edwin Hubble's discovery paper
- Update: modern plot of results from Hubble (the telescope) Key Project
- Hubble's Law
Cosmodynamics: Implications of Hubble and Cosmological Principle
- interpreting the pattern of Hubble flow
- cosmic expansion
- expansion quantified: cosmic scale factor
- the balloon and raisin cake analogies
