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Quantum Quandary: StarTalk Live! With Brian Greene & Janna Levin

StarTalk Radio

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Galaxies as Island Universes

This chapter explores the identification of celestial objects through an analogy of a light bulb, highlighting a pivotal recognition of a variable star that transformed our understanding of galaxies. It reflects on Hubble's research and the evolution of our cosmic perspective, emphasizing the profound implications of perceiving galaxies as separate entities in the vast universe.

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