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Astrobiology is the study of life in the universe, its origin and evolution. It explores how living organisms interact with the geological features of celestial bodies like planets and moons. In this hierarchy, Astrobiology as it relates to Astrogeology, investigates the conditions necessary for life to exist or thrive on other planetary bodies. It intertwines disciplines including biology, chemistry, geology, and physics, to understand if extraterrestrial life exists and how it may be detected. The field also considers the implications of such discoveries for our understanding of life's ubiquity in the universe.