Few subjects have excited mankind as much as the quest for knowledge about the planets. And now a new era in exploration of the universe has begun, with the astounding discovery of the first alien solar system around a star like our own Sun. Armed with new technology, astronomers have been discoveringplanets at an exhilarating pace. Could we be close to finding an Earthlike planet, perhaps harboring life? Are we perhaps not alone? With Planet Quest, internationally acclaimed astronomer Croswell has written the definitive guide to this journey. Weaving together the personal tales of the scientists who made key discoveries, Croswell brings this momentous scientific journey to life in an exciting blend of history, astronomy, and true adventure. From the theories of Copernicus to the confirmation of the existence of more than half a dozen alien solar systems, we are given a succinct and authoritative guide to the planetary universe around us.