Springfield - Pluto Was Demoted?!?

"Orbiting at the edge of the outer Solar System, Pluto is an intriguing object in astronomy. Since the fascinating events surrounding its discovery, it has helped increase our understanding of the origin and evolution of the Solar System, and raised questions about the nature and benefits of scientific classification. This is a timely and exciting account of Pluto and its satellites. The author uses Pluto as a case study to discuss discovery in astronomy,...

Join Hayden Planetarium's director Neil deGrasse Tyson as he follows the story of Pluto's discovery and the science that surrounds this former planet, including the possibility of finding more Pluto-like planets in the mysterious Kuiper belt. From the scientists trying to classify Pluto to die-hard 'Pluto-philes, ' Tyson meets a fascinating cast of characters with just one thing in common: strong opinions about Pluto.

The astronomer who inadvertently triggered the "demotion" of Pluto in his effort to officially recognize the solar system's tenth planet describes the ensuing debates and public outcry while revealing the behind-the-scenes story of his discovery.