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by mydeskistoosm 1701 days ago
You can't post something like this and not post the video.
2 comments
bedobi 1701 days ago
Pretty sure it was this

https://www.youtube.com/watch?v=ohdysfFWO4w&list=PLpH1IDQEoE...

or this

https://www.youtube.com/watch?v=bcn0ycIHKog&list=PLpH1IDQEoE...

link
cma 1701 days ago
This isn't it, but Terrance Tao does the entire cosmic distance ladder:

https://www.youtube.com/watch?v=7ne0GArfeMs

link