books.google.com - A Note from the Author: On August 24, 2006, at the 26th General Assembly of the International Astronomical Union (IAU) in Prague, by a majority vote of only the 424 members present, the IAU (an organization of over 10,000 members) passed a resolution defining planet in such a way as to exclude Pluto...https://books.google.com/books/about/Is_Pluto_a_Planet.html?id=dW1_AwAAQBAJ&utm_source=gb-gplus-shareIs Pluto a Planet?
