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
Back on the Planet Back on the Planet Back on the Planet is a studio album by American hip hop producer Ras G. It was released on Brainfeeder in 2013. At Metacritic, which assigns a normalized rating out of 100 to reviews from critics, "Back on the Planet" received an average score of 70 based on 9 reviews, indicating "generally favorable reviews". Bram E. Gieben of "The Skinny" called the album "a perfect, psychedelic hybrid of dusty LA beat-scene boom-bap and the cosmic jazz excursions of the Sun Ra Arkestra." Daryl Keating of "Exclaim!" said: "Paradoxically fusing ancient, grinding rhythms and ultra-modern, plush beats,