David Pratt May 2001 Part 2 of 4 Part 2: The Hollow Earth Hypothesis 1. Early theories 2. Modern theories 3. Hollow moons 4. Feasibility — I (06/04) 5. Feasibility — II (08/05) References 1. Early theories Since the scientific revolution, a small number of notable scientists have proposed the possibility of a hollow earth. One of the first was the famous English astronomer and mathematician, Sir Edmond Halley (1656-1742) [1]. He held that the earth had an outer […] Read More
Tag: Leonhard Euler
“Briefly our theory is that the original nebula did not break up into a solar system but condensed into one planet. From observations of nebulae which are at this moment in various stages of their evolution we are forced to the conclusion that the rotating mass of gas, breaking off from its center nucleus forms an envelope of a roughly spherical shape which afterwards solidifies, leaving the central nucleus still in the center to form an inner sun.” Marshall […] Read More