Pluto No Longer a Planet
August 25, 2006
New historic guidelines were rejected on Thursday, August 24, 2006, by leading astronomers resulting in the downsizing of the solar system from nine planets to eight. The International Astronomical Union demoted Pluto from planetary status, which it has held since it was discovered in the 1930s.
For more information about Pluto please visit the following sites:
Last updated January 30, 2008