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
Sun Ra and his Solar Arkestra Visits Planet Earth unless otherwise noted; Side A: Side B: The sides were switched for the Evidence reissue, as well as being coupled with the album "Interstellar Low Ways". On "Reflections In Blue", "Two Tones", "El Viktor" and "Saturn", recorded at the Balkan Studio, Chicago, November 1, 1956; On "Planet Earth", "Eve" and "Overtones of China" recorded at Rehearsals, late 1957 or 1958; Sun Ra and his Solar Arkestra Visits Planet Earth Sun Ra and his Solar Arkestra Visits Planet Earth is a jazz album by the American musician Sun Ra and his Solar Arkestra. Recorded between late 1956 and 1958, the album