This text provides a comprehensive, accessible survey for the introductory astronomy course that is traditionally organized and astrophysically oriented. It serves as a guide to non-majors students in their understanding of the full range of the astronomical universe. Features new to this edition include "The Hubble View" - several pictorial essays contain updated, relevant information and images from the Hubble Space Telescope. Also, important Hubble information and pictures have been integrated into the text. It incorporates "Night Spectra Quest", a carry-around spectroscope bound in each book allows students to investigate spectra of common night lights and bright astronomical objects. It includes colour spectra, matched to the eye, that identify various sources of light. Chapter-end activities are keyed to the use of "Night Spectra Quest".