Radio emission refers to the electromagnetic radiation emitted by celestial bodies in the radio frequency range of the electromagnetic spectrum. This type of radiation is commonly observed in astronomical research, where radio telescopes are used to detect and study emissions from stars, galaxies, pulsars, and other astronomical objects. Radio emission can provide valuable information about the physical and chemical properties of celestial objects, such as their temperature, density, and composition. By studying radio emissions, astronomers can gain insights into the formation and evolution of galaxies, the behavior of pulsars, and the presence of magnetic fields in space. Overall, radio emission research plays a crucial role in expanding our understanding of the universe and the various processes that govern the behavior of celestial objects.