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164. Unravelling the Universe, Again

People I (Mostly) Admire

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Unraveling Cosmic Expansion

This chapter explores historical cosmological beliefs leading up to the scientific advances of the 1990s, focusing on the expansion of the universe and the foundational work of early astronomers like Edwin Hubble. It explains the concept of redshift and how the light from distant galaxies is affected by their expanding distance from us, utilizing relatable analogies to clarify these complex ideas. The discussion also addresses the uncertainties surrounding the future of the universe's expansion and the gravitational influences of matter.

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