Explorations: An Introduction to Astronomy (Arny), 7th EditionAbout the Book Explorations-An Introduction to Astronomy, 7th edition, is built on the foundation of accuracy, emphasis on current information, and a well-known writing style that promotes understanding by a) linking complex physical processes and principles to everyday observations and b) demystifying essential math. This new edition also continues to offer the most complete technology/new media support package available. NEW Features - An online lab manual offers an engaging, student-driven, easy-to execute element for high school astronomy courses. The 36 labs make use of common materials or easy-to-access online resources; can mostly be completed in one class period; and come with both a Student Worksheet and a Teacher Guide.
- Each textbook chapter now begins with a set of Learning Objectives that identify the most important skills the reader will gain after completing the chapter. These can be used as a checklist for successfully completing the chapter or for identifying topics that need additional work.
- "Astronomy by the Numbers" boxes throughout the chapters work through the details of some mathematical derivations and provide worked examples of typical calculations, making it easier for teachers to select the depth of math required for the course.
The Preface below includes more information about the authors, supplements, and technology support.  Preface
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