The book is based on courses of lectures on general astrophysics, which for many years have been read by authors for students of the Faculty of Physics of Moscow State University .. The book discusses the main mechanisms of interaction of radiation with matter , Modern methods of astronomical observations , Physics of the Sun and Solar System , physical processes in the interstellar medium, Formation of stars and their structure , evolution of stars and their transformation into compact objects, as well as observed processes in galaxies and elements of modern cosmology. In general, the authors provide a general physical picture of the structure and evolution of our Universe. The book can serve as a modern textbook on general astrophysics, primarily for students of physical and astronomical specialties of universities.