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.
Planets in our solar system - 7:00 minutes, gives good overview of planets but language is sometimes higher than 3rd grade level, kind of boring? Start video at 3:08. Some nude gods that planets are named after?
10 surprises about our solar system-A collection of 10 unexpected and intriguing facts about our solar system – our sun and its family of planets – you probably did not know! 4/14/15 Montage of our solar system. Image Credit: NASA/JPL