Overview of Observational Cosmology: Zeroth Order Picture

• Cosmography: large-scale matter distribution
• actual data: 2dF Galaxy Redshift Survey
  • survey geometry
  • clustering: all galaxies
• actual data: Sloan Digital Sky Survey
  • 2-D slices: all galaxies
  • 2-D slices: luminous red galaxies
  • 2-D slices: quasars
  • video: flythrough
• cosmological principle

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

Cosmodynamics: Implications of Hubble and Cosmo Principle

• interpreting the pattern Hubble flow
• cosmic expansion
• expansion quantified: cosmic scale factor
• the balloon and raisin cake analogies