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Planetary Science is the study of celestial objects and processes beyond Earth's atmosphere, encompassing phenomena such as the formation, geology, atmospheres, and magnetospheres of planets and moons. It bridges the gap between astronomy and earth science, exploring the vast diversity of planetary bodies within our solar system and beyond. As a subfield of astrophysics, it shares a deep connection with the broader categories of Science, Astronomy, and Astrophysics, delving into the intricate details of celestial objects while maintaining a focus on understanding their fundamental properties and evolution. By unraveling the mysteries of other worlds, planetary science enriches our comprehension of the universe and informs our perspective on Earth's place within it.