Observational Facts and Concepts in Cosmology: From Olbers' Paradox to Hubble Expansion and Curvature

Aug 01, 2023

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This lesson introduces the fundamental observational facts in cosmology, including density contrast, anisotropy, and homogeneity at different scales. It explores concepts such as Olbers' paradox, Hubble expansion, and redshift, and explains how distance, lookback time, and curvature are related in cosmology. The lesson also covers important topics like cosmological redshift, change in angular size, horizons, test particles, and Friedmann's equations.

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Observational Facts and Concepts in Cosmology: From Olbers' Paradox to Hubble Expansion and Curvature

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