Make Pluto Great (a Planet) Again!

<![CDATA[In 2006, the planet Pluto was "demoted"  to a "dwarf planet" by the International Astronomical Union (IAU), the scientific authority responsible for naming and cataloging celestial objects. The number of planets in the solar system reverted to eight, and many people. including some scientists, weren't happy. Tens of thousands of school children wrote letters to NASA begging the agency to restore Pluto to its rightful place in the cosmos.]]>