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
Earth Is the Loneliest Planet the album, it is presented in spoken word and features a cameo by Pamela Anderson. Earth Is the Loneliest Planet "Earth Is the Loneliest Planet" is a song by English singer Morrissey. It is the fifth track on his "World Peace Is None of Your Business" album and was released as the third single off the album via digital download on 3 June 2014, through Harvest and Capitol Records. Due to changes in global music consumption, the physical versions of the first four singles from this album were released together as one 10" vinyl. The accompanying music video, directed by