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
Planet Tolex Planet Tolex Planet Tolex is a Canadian children's science fiction television series which aired on CBC Television from 1953 to 1954. The fictional Planet Tolex of the series title was located in the Solar System, orbiting so that it was always opposite to the Earth, always causing its sightline with Tolex to be blocked by the Sun. The series' puppet-based characters were led by Bricol and Lexo and their fellow Tolex residents. Leo and Dora Velleman were the series creators and puppeteers. This Montreal-produced half-hour series was broadcast on Tuesdays at 5:00 p.m. (Eastern) from 20 October 1953 to 27