
Astronomy history: everything you wanted to know
HistoryExtra podcast
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The Discovery of the Expanding Universe and the Big Bang
This chapter explores the history of the expanding universe and the concept of the Big Bang, discussing astronomers' observations, Einstein's theory of relativity, and the contrasting beliefs of Joshua Lemaitre and Fred Hoyle. It also mentions the standard model of astronomy, the background microwave radiation, and the exciting prospect of studying exoplanets and potentially finding signs of life.
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