Here is the redshift: https://en.wikipedia.org/wiki/Redshift#Doppler_effect https://en.wikipedia.org/wiki/Redshift#Doppler_effect It's a tongue in cheek about

Here is the redshift: https://en.wikipedia.org/wiki/Redshift#Doppler_effect https://en.wikipedia.org/wiki/Redshift#Doppler_effect It's a tongue in cheek about https://en.wikipedia.org/wiki/Redshift#Expansion_of_space https://en.wikipedia.org/wiki/Redshift#Expansion_of_space and how