A chart illustrating the relationship between cosmological redshift (z), distance, time, and other cosmological parameters. The chart shows that redshift z=6 corresponds to a time when the universe was less than 1 billion years old, significantly younger than its current age of approximately 13.8 billion years. The chart includes scales for Hubble parameter (H), comoving radial distance (r_comov), angular diameter distance (dm), universe age, lookback time, angular size, and angular size per 1 kiloparsec.

Astronomy Picture from 08/04/2013

A Redshift Lookup Table for our Universe

Source: https://apod.nasa.gov/apod/ap130408.html


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