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Q&A A structually self-supporting hollow Earth?

Is it possible to have a structurally self-supporting hollow Earth where the weight of the shell is balanced against the atmospheric pressure inside? It must be human habitable (gravity is nice b...

3 answers  ·  posted 6y ago by Samwise‭  ·  last activity 6y ago by Samwise‭

Question space space-constructs earth hollow-earth