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MIT General Relativity, Spring 2020 Instructor: Scott Hughes View the complete course: YouTube Playlist: Cosmology continued. We tie the properties of this spacetime to quantities which can be measured, in particular the redshift of light which is emitted early in the universe's history but is measured now, and three different notions of distance between events and observers. The current standard paradigm for the nature of the universe, and some outstanding problems which are the focus of modern research. License: Creative Commons BY-NC-SA More information at More courses at Support OCW at We encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed.
