HackerTube / Video
Terence Tao: The Cosmic Distance Ladder, UCLA
UCLA
Terence Tao's AMS Einstein Public Lecture at UCLA on the cosmic distance ladder, the chain of methods astronomers use to measure distances from the Earth to distant galaxies. It is aimed at a general audience.
HN recommends it as an accessible and elegant tour of how indirect reasoning builds up cosmic measurements, with one commenter calling it their favorite Tao work.
4 Hacker News mentions · 2022–2025