Neil DeGrasse Tyson Explains Why The Cosmos Shouldn't Make You Feel Small

Tyson, director of the Hayden Planetarium at the Museum of Natural History in New York, is a prolific writer and frequently cited authority on astronomy in the popular media. This spring, Tyson hosts a new TV series called Cosmos: A Space-Time Odyssey, an update of the influential 1980 PBS series Cosmos: A Personal Journey.