Planet smallest known planet is PSR B1257+12A, one of the first extrasolar planets discovered, which was found in 1992 in orbit around a pulsar. Its mass is roughly half that of the planet Mercury. The smallest known planet orbiting a main-sequence star other than the Sun is Kepler-37b, with a mass (and radius) slightly higher than that of the Moon. Every planet began its existence in an entirely fluid state; in early formation, the denser, heavier materials sank to the centre, leaving the lighter materials near the surface. Each therefore has a differentiated interior consisting of a dense planetary core surrounded
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,