Introduction to Cosmology Ryden · Problem 8.4

The Cosmic Microwave Background

Physics — Astrophysics · proper-distance-luminosity-distance-last-scattering

Problem

What is the proper distance

d_p

to the surface of last scattering? What is the luminosity distance

d_L

to the surface of last scattering? Assume that the Benchmark Model is correct, and that the redshift of the last scattering surface is

z_{\rm ls} = 1090