Our Mysterious Spaceship Moon by Don Wilson (1975) is a classic work of alternative science that popularizes the Spaceship Moon hypothesis
: The text explores "impossibilities" regarding the Moon's size and orbit. Wilson argues that the Moon is too large for its gravitational pull and that its perfectly circular orbit is mathematically improbable for a naturally captured body. Lunar Surface Mysteries Our-mysterious-spaceship-moon-by-don-wilson-pdf
Don Wilson’s primary argument is that the Moon is not a natural satellite, but a hollowed-out, artificial craft—a This theory was heavily influenced by Soviet scientists Mikhail Vasin and Alexander Shcherbakov, who proposed in 1970 that the Moon might be an alien creation. Our Mysterious Spaceship Moon by Don Wilson (1975)
The central premise of Don Wilson’s work—inspired largely by a 1970 article by Soviet scientists Vasin and Shcherbakov—is that the Moon is not a natural satellite. Instead, Wilson argues that it is a giant, hollowed-out planetoid or an artificial craft brought to Earth’s orbit in the distant past by an advanced extraterrestrial civilization. but a hollowed-out
[General reader / Research purposes] Date: [Current date] Subject: Analysis of claims presented in Don Wilson’s Our Mysterious Spaceship Moon (PDF version)
Wilson highlights the peculiarities of the Moon's orbit: