Understanding the Universe: An Introduction to Astronomy, 2nd Edition Season 1 Episode 82 The Mass Density of the Universe

October 19, 2023
31 min

This lecture explores methods used by astronomers to determine the mass density and expansion history of the Universe. To make this measurement, a race developed between two teams of astronomers searching for Type Ia supernovae in distant galaxies.

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Understanding the Universe: An Introduction to Astronomy, 2nd Edition, Season 1 Episode 82, is available to watch and stream on The Great Courses. You can also buy, rent Understanding the Universe: An Introduction to Astronomy, 2nd Edition on demand at Apple TV Channels, Prime Video, Amazon online.