Author and astrophysicist Neil deGrasse Tyson dismisses the popular internet doomsday theory that a "Planet X," aka Nibiru, will return to our solar system in 2012 and fatally disrupt the Earth's polarity -- a claim Tyson describes as a "marvelous work of fiction."
Neil deGrasse Tyson, the bestselling author and director of the world-famous Hayden Planetarium, chronicles America's irrational love affair with Pluto, man's best celestial friend.