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February 28, 2025
The Cosmic Distance Ladder
Mathematician Terence Tao on how we measure the cosmos. Two videos by 3Blue1Brown:
https://www.youtube.com/watch?v=YdOXS_9_P4U
- part 1
https://www.youtube.com/watch?v=hFMaT9oRbs4
- part 2
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physics
geography
cosmology
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