Explore the fascinating field of cosmology in this 90-minute lecture from the "Astronomy: Exploring Space and Time" MOOC by Professor Chris Impey. Delve into topics such as the scales of space, Olbers' paradox, lookback time, and the contents of the universe. Examine the cosmic microwave background, the Big Bang theory, and the early universe. Investigate current cosmological models, including the concept of the multiverse through quantum genesis and brane theory. Gain insights into the present state and future of the cosmos in this comprehensive introduction to the study of the universe as a whole.