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The Cosmological Constant
Kinematics II

Basic Idea: Equation for expansion of universe gives information about history through various classical cosmological tests. Emphasis here is on how the expansion affects observational phenomena.

metric and spatial curvature

equations of motion in terms of cosmological parameters

a(t) determines many properties

Age: H0 and lambda

Combined with properties of light: redshift and null geodesics provides
distance as function of redshift and parameters.

  • path length
  • angular diameter distance/ luminosity distance
  • volume

Some references.

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