Take a dazzling and expansive look at the universe with this easy-to-follow guide! Universe provides a tour of the cosmos, covering our solar system, the Milky Way, and galaxies beyond our own. With information on the nature of the universe, the study of cosmology, Earth's motion, modern telescopes, and astrophotography, this groundbreaking encyclopedia is a must-have for both students and astronomy enthusiasts. Includes a comprehensive star atlas with entries on each of the 88 constellations and notable celestial objects that lie within them, and a monthly sky guide showing the night sky as it appears throughout the year.