WHAT ARE THESE GRACEFUL VISITORS TO OUR SKIES? WE NOW KNOW THAT THEY BRING BOTH LIFE AND DEATH AND TEACH US ABOUT OUR ORIGINS. Comet begins with a breathtaking journey through space astride a comet. Pulitzer Prize-winning astronomer Carl Sagan, author of Cosmos and Contact, and writer Ann Druyan explore the origin, nature, and future of comets, and the exotic myths and portents attached to them. The authors show how comets have spurred some of the great discoveries in the history of science and raise intriguing questions about these brilliant visitors from the interstellar dark. Were the fates of the dinosaurs and the origins of humans tied to the wanderings of a comet? Are comets the building blocks from which worlds are formed? Lavishly illustrated with photographs and specially commissioned full-color paintings, Comet is an enthralling adventure, indispensable for anyone who has ever gazed up at the heavens and wondered why. "SIMPLY THE BEST." *The Times of London "FASCINATING, EVOCATIVE, INSPIRING." *The Washington Post "COMET HUMANIZES SCIENCE. A BEAUTIFUL, INTERESTING BOOK." *United Press International "MASTERFUL . . . SCIENCE, POETRY, AND IMAGINATION." *The Atlanta Journal & Constitution

In More Things in Heaven and Earth, Levy argues the fundamental unity of the arts and the sciences, pointing out the poetry that is in astronomy and the scientific references to the night sky found in many of the great poets. He illustrates his arguments with spectacular colour photographs of comets and eclipses and also with extensive quotation of and commentary on Chaucer, Shakespeare, Milton, Donne, Keats, Tennyson, Hopkins and Frost. For him the collision of the comet bearing his name with the planet Jupiter, the greatest cataclysm in the history of astronomy, is an opportunity to get a whole new generation excited about our universe in a way that has not been possible since the 1969 Moon landing.