Robert Gendler is the world's leading amateur astrophotographer. A physician who spends his free time taking pictures of the night sky, he is the author and photographer of A Year in the Life of the Universe, and his images appear regularly in Sky & Telescope magazine. He lives in Avon, Connecticut. www.robgendlerastropics.com/Foreword writer Neil deGrasse Tyson is a professional astrophysicist. He is the director of the Hayden Planetarium at the American Museum of Natural History and the host of NOVA scienceNOW on PBS. Tyson is the author of nine books on the universe, most recently Death by Black Hole and The Pluto Files. He lives in New York City.