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Science & Technology Q&A for Kids (and others) [January 24, 2025]

The Stephen Wolfram Podcast

CHAPTER

Exploring the Expanding Universe: Galaxies, Light, and Distance

This chapter explores the expansion of the universe and its impact on galaxies, including the methods used to measure their distances. It emphasizes the roles of gravitational forces, light brightness, redshift, and the complexities introduced by dark energy in our comprehension of cosmic expansion.

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