93 - The Moment Dark Energy Appeared (Ft. Adam Riess)
Why This Universe?
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Cosmic Dilemmas: 1990s Cosmology Insights
This chapter explores the groundbreaking discoveries of the early 1990s regarding the universe's expansion and the tensions between observational data and theoretical expectations. It discusses the critical balance of mass in the universe and the implications for cosmic expansion, using analogies to illustrate the challenges astronomers faced in measuring and understanding cosmic density.
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