冥王星碎片 The Pluto Files (2009)认领

　　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...