Dwarf Planets of Our Solar System (Infographic) by Karl Tate In 2006 the organization responsible for classifying celestial bodies, the International Astronomical Union, decided that a new class of objects was needed. The solar system's erratic ninth planet, Pluto, was assigned to the new “dwarf planet” category along with four other bodies, all tinier than Earth’s moon. Some astronomers expect there may be as many as 50 dwarf planets in the solar system.
top youtube clips to learn about the solar system for kids. great for projects and understanding of the solar system in a fun engaging way. http://naturalbornhomeschooler.com/2015/04/29/top-8-youtube-…e-solar-system/ More