The main focus of astronomy is the study of celestial objects, space, and the universe as a whole. This science encompasses the observation and analysis of planets, stars, galaxies, and cosmic phenomena, seeking to understand their properties, behaviors, and interactions. Astronomers utilize various tools, such as telescopes and satellites, to gather data and explore questions about the origins and evolution of the universe, including theories regarding the Big Bang and the nature of dark matter and dark energy. Astronomy plays a crucial role in enhancing our understanding of fundamental scientific principles and our place in the cosmos.