The tiny specs of light we see in the sky at night, called stars, are actually enormous objects made of gas. A very large system of stars is a galaxy. With the help of this informative book, readers will catch a glimpse of the many stars and galaxies that make up the universe. Colorful images and diagrams paired with accessible text and fact boxes will engage readers of many ages and abilities. Those with curious minds will enjoy learning about this exciting aspect of space with the help of useful facts and numbers.