YouTube: https://youtube.com/watch?v=CMQ1b5u-Tew
Previous: How do we know how old the universe is?
Next: How many humans have existed?

Categories

Statistics

View count:4,260,539
Likes:252,837
Comments:2,813
Duration:00:58
Uploaded:2023-03-10
Last sync:2025-09-01 04:00
No transcript to display.