Galaxies

"Most young astronomers know that Earth is located in the Milky Way galaxy, but they might not know what that means or what lies beyond. Understanding our galaxy and others will help them comprehend more about how the universe works. In this fascinating volume, readers will discover many amazing and memorable facts about galaxies, including their differing shapes, numbers of stars, and constant movement. They'll especially love the mind-boggling images of the depths of space!"--