"In this groundbreaking book, world-renowned astrophysicist Neil deGrasse Tyson tackles the world's thorniest philosophical conundrums, armed with wit, wisdom, and cutting-edge science. Together with distinguished physicist James Trefil, Tyson presents questions that have preoccupied humanity for millennia. Then, using the latest theories, from the Big Bang to string theory and the multiverse, he explores the answers, bolstered with stunning images...

Explores the scientific possibilities and questions raised by the "Star Wars" films and books and questions the basic scientific principles underlying the technology of the popular science-fiction series.

Answers questions about space such as, "Are stars star-shaped, " "Which is the coldest planet, " and "What is a black hole."