Homework Statement
1) Calculate the angular diameter distance to the last scattering surface in the following cosmological models:
i) Open universe, ΩΛ= 0.65, Ωm = 0.30
ii) Closed universe, ΩΛ = 0.75, Ωm = 0.30
ii) Flat universe, ΩΛ = 0.75, Ωm = 0.25
Describe how the CMB power spectrum...