#137 – Alex Filippenko: Supernovae, Dark Energy, Aliens & the Expanding Universe
Lex Fridman Podcast
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Unraveling the Expanding Universe
This chapter explores the concept of the expanding universe, emphasizing how the observable universe's radius can exceed its age due to the dynamic nature of space. Through analogies and discussions of inflation theory, it addresses the complex relationship between cosmic distances, light speed, and the implications of the Big Bang. Additionally, the chapter highlights the achievements of scientists who uncovered the universe's accelerating expansion, showcasing the blend of theoretical inquiry and empirical discovery in modern cosmology.
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