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Star Systems refer to a group of celestial bodies, including stars, planets, moons, asteroids, and comets, that are bound together by gravity. These systems typically revolve around a central star, such as our own solar system, and can vary in size and complexity. Star systems play a crucial role in the formation and evolution of galaxies, serving as the building blocks of the universe. Scientists study star systems to better understand the workings of the cosmos and to search for potential habitable worlds beyond our own.