A [[dwarf planet]] is an object that orbits the sun and has a round shape. The crucial difference between a planet and a dwarf planet is that a dwarf planet is not large enough to clear the neighborhood of its orbit. Currently recognized dwarf planets are:<ref>http://www.answers.com/topic/dwarf-planet</ref> | A [[dwarf planet]] is an object that orbits the sun and has a round shape. The crucial difference between a planet and a dwarf planet is that a dwarf planet is not large enough to clear the neighborhood of its orbit. Currently recognized dwarf planets are:<ref>http://www.answers.com/topic/dwarf-planet</ref> |