Images:

1. Credit/Permission: User:Wesino, 2006 / Public domain.
   Image link: Wikipedia: File:CosmoDistanceMeasures z to onehalf.png.
   
2. Credit/Permission: User:Wesino, 2006 / Public domain.
   Image link: Wikipedia: File:CosmoDistanceMeasures z to 1e4.png.
   

Local file: local link: cosmic_distance_measures.html.
Extended file: Cosmology file: cosmic_distance_measures_4.html.
File: Cosmology file: cosmic_distance_measures.html.