Fifth planet (hypothetical) orbit as defined by the Titius–Bode law. Between 1845 and 1851, eleven additional asteroids were discovered and Jupiter had become the twentieth planet. At this point, astronomers began to classify asteroids as minor planets. Following the reclassification of the asteroids in their own group, Jupiter became the fifth planet once again. With the redefinition of the term "planet" in 2006, Ceres is now considered a dwarf planet. The disruption theory suggests that a planet which was positioned between Mars and Jupiter was destroyed, resulting in the asteroid belt between these planets. Scientists in the 20th century dubbed this hypothetical planet
Space Is the Place the film "Space Is the Place" starring Sun Ra and his Arkestra, and based, in part, on Sun Ra's Berkeley lectures. Sun Ra, who has been reported lost since his European tour in June 1969, lands on a new planet in outer space with his crew, known as "the Arkestra", and decides to settle African Americans on this planet. The medium of transportation he chooses for this resettlement is music. He travels back in time and returns to the Chicago strip club where he used to play piano with the name "Sonny Ray" in 1943, where he confronts the Overseer