Micro Planets: Building Artificial Worlds with Black Hole Cores

Mar 22, 2026

What if we built entire planets around tiny black holes? Explore engineered micro worlds, artificial gravity, and the future of compact megastructures.

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Credits:
Micro Planets – Building Artificial Worlds with Black Hole Cores
Written, Produced & Narrated by: Isaac Arthur
Graphics from Jeremy Jozwik & Ken York
Music Courtesy of Chris Zabriskie & Stellardrone
Select imagery/video supplied by Getty Images

Chapters
0:00 Intro
1:14 Small Worlds, Big Numbers
7:54 What to make it from?
11:53 What is a Micro Planet, and what is it like?
17:50 So could you go even smaller?
21:20 Nebula