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Planetary Science focuses on the scientific study of planets, moons, and other celestial bodies found within our solar system and beyond. It encompasses a wide range of disciplines, including geology, physics, chemistry, atmospheric science, and astronomy, to investigate the composition, structure, processes, and history of these cosmic entities. This field seeks to understand how planetary systems form, evolve, and interact with each other and their host stars. By studying planets within our own solar system, researchers gain valuable insights into the conditions necessary for life as we know it, as well as the potential existence of extraterrestrial life elsewhere in the universe. In the context of Cosmology, Planetary Science contributes to a more comprehensive understanding of the origins and evolution of the universe by focusing on the formation and development of planetary systems within that broader cosmic context.