The Hollow Earth
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The Hollow Earth is a concept proposing that the planet Earth is entirely hollow or contains a substantial interior space. Notably suggested by Edmond Halley in the late 17th century.
Details
- Publication Date
- Jul 15, 2025
- Language
- English
- Category
- History
- Copyright
- All Rights Reserved - Standard Copyright License
- Contributors
- By (author): Raymond Bernard
Specifications
- Format