Why do some full moons seem larger than others? How big is the moon compared to the United States? How fast does the moon’s shadow move across the earth during an eclipse? Which month’s full moon is called by the Cheyenne, "Time when the Horses Get Fat"? What are the best internet sites for moon watchers? Answers to these questions and more—much, much more—are found in this concise, fully illustrated guide to Earth’s nearest neighbor. It will change forever the way you look at the night sky.