earth shape
Conspiracy theories tagged "earth shape."
2 articles
Debunked
Hollow Earth Theory
The Hollow Earth theory claims our planet contains vast interior civilizations accessible through polar openings. Explore its origins, key claims, and science.
1692 · United Kingdom · Edmond Halley, John Cleves Symmes Jr., Cyrus Teed
Debunked
Concave (Cellular) Earth Theory
The fringe belief that humanity lives on the interior surface of a hollow sphere, with the Sun, Moon, stars and the rest of the universe contained within it.
1869 · United States · Cyrus Teed, Karl Neupert, Ulysses Grant Morrow