What is cosmolog?

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Cosmology is the branch of astronomy that studies the origin, structure, and evolution of the universe. It encompasses a range of areas including the Big Bang theory, the evolution of galaxies and stars, dark matter and dark energy, and the eventual fate of the universe. Cosmologists study observational and theoretical aspects of the universe, combining data and predictions from various fields of physics, including particle physics, astrophysics, and general relativity. Some of the major questions in cosmology include: What is the origin of the universe? What is dark matter? What is dark energy? What is the fate of the universe? Cosmology has undergone significant developments throughout history, with the contributions of scientists such as Copernicus, Galileo, Newton, Einstein, and Hubble.