science, solar system, space, stars, earth, meti, why does the earth spin?, spin, planets, astronomy (field of study), physics (field of study), cosmos, theuniversedocumentary1, documentary, the universe, the universe documentary, drake's equation, explanation, seti, xenobiology, alien, great filter, great silence, rare earth, fermi paradox, shroud of turin, hoax, hoaxes, kensington rhinestone, giant human skeleton, piri reis, piri reis map, los luna decalogue stone, decalogue stone, ancient technology, mysterious discoveries, weird discoveries, map of the creator, controversial archeological discoveries, horned human skulls
