Vulcan (hypothetical planet) Vulcan (hypothetical planet) Vulcan is a small hypothetical planet that was proposed to exist in an orbit between Mercury and the Sun. Attempting to explain peculiarities of Mercury's orbit, the 19th-century French mathematician Urbain Le Verrier hypothesized that they were the result of another planet, which he named "Vulcan". A number of reputable investigators became involved in the search for Vulcan, and despite occasional claimed observations, no such planet was ever confirmed. Peculiarities in Mercury's orbit have now been explained by Albert Einstein's theory of general relativity. Searches of data gathered by NASA's two "STEREO" spacecraft have failed to find
Return to the Planet of the Apes Return to the Planet of the Apes Return to the Planet of the Apes is an animated series, by DePatie-Freleng Enterprises in association with 20th Century Fox Television, based upon "Planet of the Apes" by Pierre Boulle. Boulle's novel had previously inspired five films and a TV series, beginning with the 1968 film "Planet of the Apes" starring Charlton Heston. Unlike the film, its sequels, and the 1974 live action TV series, which involved a primitive ape civilization, "Return to the Planet of the Apes" depicted a technologically advanced society, complete with automobiles, film, and television; as such it more