Neil deGrasse Tyson is an astrophysicist, director of the Hayden Planetarium at the Rose Center for Earth and Space in New York City, and host of StarTalk Radio. His newest book is called "C... Read allNeil deGrasse Tyson is an astrophysicist, director of the Hayden Planetarium at the Rose Center for Earth and Space in New York City, and host of StarTalk Radio. His newest book is called "Cosmic Queries".Neil deGrasse Tyson is an astrophysicist, director of the Hayden Planetarium at the Rose Center for Earth and Space in New York City, and host of StarTalk Radio. His newest book is called "Cosmic Queries".