Fascinating, engaging, and extremely visual, this Enhanced Thirteenth Edition of FOUNDATIONS OF ASTRONOMY brings readers up-to-date on the developments and discoveries in the exciting field of astronomy as recent as the summer 2015 New Horizons studies of Pluto and its moons. Throughout the book, authors Michael Seeds and Dana Backman emphasize the scientific method as they guide students to answer two fundamental questions: What are we? And how do we know? In every chapter, the book discusses the interplay between evidence and hypothesis, providing both factual information and a conceptual framework for understanding the logic of science.