Скачать или смотреть Terence Tao continuing history’s cleverest cosmological measurements

How we know the distances to the planets, stars, and faraway galaxies.
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FAQ with added details and corrections: https://terrytao.wordpress.com/2025/0...

An equally valuable form of support is to simply share the videos.

Terry and his collaborator Tanya have an Instagram about the cosmic distance ladder:   / cosmic_distance_ladder  

Artwork of Guillaume Le Gentil by Kurt Bruns
Artwork of Antonia Maury and Henrietta Leavitt by Talia Gershon: https://bit.ly/taliagershonart
Several of the great cosmological animations where by Paul Dancstep

Timestamps:
0:00 - Intro
1:04 - Distance to Venus
7:30 - Speed of light
10:08 - Nearby stars
13:20 - The Milky Way
18:14 - Nearby Galaxies
19:44 - Distant Galaxies
22:42 - Lingering mysteries

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These animations are largely made using a custom Python library, manim. See the FAQ comments here:
https://3b1b.co/faq#manim
https://github.com/3b1b/manim
https://github.com/ManimCommunity/manim/

All code for specific videos is visible here:
https://github.com/3b1b/videos/

The music is by Vincent Rubinetti.
https://www.vincentrubinetti.com
https://vincerubinetti.bandcamp.com/a...
https://open.spotify.com/album/1dVyjw...

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