The name of the study of the cosmos and celestial bodies is "cosmology." It encompasses a broad range of topics, including the origin, evolution, structure, and eventual fate of the universe. Cosmologists analyze phenomena such as the Big Bang, cosmic inflation, dark matter, and dark energy to understand the fundamental nature of the universe. This field combines aspects of astronomy, physics, and philosophy, making it a multidisciplinary area of study. Cosmology plays a crucial role in answering profound questions about the nature of existence and the laws of the universe. Recent advancements in technology have significantly enhanced our understanding of cosmological concepts.