George C. Comstock's "Textbook of Astronomy" is a famous university textbook that made a significant contribution to the study of celestial bodies. In this book, the author describes in detail the basic principles of astronomy, considers the movement of planets, stars, galaxies and other objects of the universe. Readers will be able to get acquainted with the theories and laws that underlie modern astronomy, as well as learn a lot of interesting things about the latest research and discoveries in this scientific field. The book "Textbook of Astronomy" will be an excellent source of knowledge for everyone who is interested in space and its secrets.