Stellar winds are streams of charged particles that are emitted from the outer atmospheres of stars, including our own Sun. These winds can have a significant impact on the surrounding environment, affecting the motion and heating of interstellar gas and dust, shaping the structure of galaxies, and influencing the formation and evolution of stars and planetary systems. Stellar winds are typically driven by processes such as magnetic fields, convection, and radiation pressure within a star's atmosphere. They can vary in speed, density, and composition depending on the type and age of the star, as well as factors such as its mass, temperature, and magnetic field strength. Studying stellar winds is important for understanding the life cycle of stars, as well as the broader dynamics of galaxies and the universe as a whole. Researchers use a variety of observational techniques, such as spectroscopy and imaging, to study the properties and effects of stellar winds in different stellar environments.