Megastructures: Hollow Earth

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Earth is immense, but we only live on a thin shell of its surface. So what if we built a planet with only that thin shell, or with several layers of them?

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Credits:
Megastructures: Hollow Earth
Episode 453, June 27, 2024
Written, Narrated & Produced by: Isaac Arthur
Graphics:
Apogii.uk
Jarred Eagley
Jeremy Jozwik
Ken York YD Visual
Sergio Botero
Steve Bowers
Music Courtesy of Epidemic Sound Epidemic Sound http://epidemicsound.com/creator
Lombus,"Cosmic Soup"