Hubble constant -- early vs recent nonagreement

[Dr.Strangelove]

@Chronos

but I made up a pair of overhead transparencies, one with a random pattern of dots, and the other one exactly like it, but blown up by 10%

I looked for an online demo, but couldn’t find one. So I made my own:
Hubble Expansion

You can drag the overlay around to see the center change.