Fully updated to reflect the latest cutting-edge discoveries, the Twelfth Edition of Mike Seeds’s and Dana Backman’s best-selling HORIZONS: EXPLORING THE UNIVERSE, International Edition engages students by focusing on two central questions: “How Do We Know?” which emphasizes the role of evidence in the scientific process, providing insights into how science works; and “What Are We?” which highlights our place as planet dwellers in an evolving universe, guiding students to ask questions about where we came from and how we formed a perspective that the study of astronomy is uniquely positioned to emphasize.And because every course is as unique as its instructor--and its students--HORIZONS is supported by a range of teaching and learning solutions that allow you to craft the best course for your approach and course needs. Our innovative instructor resources include WebAssign online homework management and exclusive audience response technology. Students can select from several eBook options, student tutorial systems, or virtual laboratory experiments. HORIZONS provides the ideal foundation--our powerful technology tools are the building blocks that help you customize your course to fit your and your students’ needs.