The book talks about the achievements of modern radio astronomy . In a popular form, observational and theoretical data on radio galaxies, quasars, pulsars, space masers and other space objects emitting radio waves are presented. The paths of stellar evolution, supernova explosions and radio emission of their remnants, the emergence of white dwarfs and neutron stars, phenomena in the centers of galaxies and galaxy mergers responsible for the emergence of radio galaxies and quasars are considered. Discusses the radio emission of the Sun, including associated with flares, and the radio emission of the planets A modern point of view on the evolution of the Universe, the origin of the relic radiation remaining from the Big Bang and its anisotropy A separate chapter is devoted to the description of radio telescopes . Designed for students, teachers and anyone interested in the problems of modern science.