How many planets in the solar system, or demoted Pluto

The sensational decision was taken on Aug. 25, 2006 2,5 thousand participants of the Congress of the International Astronomical Union. Millions of books on astronomy, the sky thousands of maps, hundreds of scientific papers will be rewritten. Pluto is now removed from the list of planets in the solar system. The International Astronomical Union ten… Read more How many planets in the solar system, or demoted Pluto