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13,932,890 results
Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, ...
5,212,887 views
10 years ago
Narrated and Edited by David Kelly Animations by the superb Jero Squartini https://www.fiverr.com/share/0v7Kjv using Manim ...
15,312,709 views
1 year ago
