Cosmological parameter estimation is the process of determining the values of key parameters that describe the properties and evolution of the Universe, often through analyzing observational data such as Cosmic Microwave Background (CMB) anisotropies. This estimation helps in understanding fundamental aspects of cosmology, such as the rate of expansion, matter content, and geometry of the Universe. By interpreting CMB anisotropies, researchers can infer the underlying physics and validate cosmological models.
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