Fascinating, engaging and extremely visual, STARS AND GALAXIES, 10th Edition, is renowned for its current coverage, reader-friendly presentation and detailed--yet clear--explanations. The authors' goals are to help you use Astronomy to understand science, and use science to answer two fundamental questions: What are we? And how do we know? Available with WebAssign, the powerful digital solution that enriches the teaching and learning experience. It includes Virtual Astronomy Labs 3.0--a set of 20 interactive activities that combine analysis of real astronomical data with robust simulations--providing a true online laboratory experience for your Introductory Astronomy course.