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What's Fine-Tuning in Cosmology?

What is fine-tuning in cosmology? Here’s the claim: cosmic conditions that allow complex structures — galaxies, stars, planets, people — depend on a few “constants of nature” lying within tight ranges of values. But is fine-tuning valid? Featuring interviews with Geraint Lewis, Luke Barnes, Fred Adams, Joseph Silk, and Abraham "Avi" Loeb.

English
  • Originally Aired January 3, 2019
  • Runtime 30 minutes
  • Content Rating United States of America TV-G
  • Production Code 1902
  • Network PBS
  • Created September 1, 2020 by
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  • Modified September 1, 2020 by
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Name Type Role
Joseph Silk Guest Star
Robert Lawrence Kuhn Guest Star
Avi Loeb Guest Star
Geraint Lewis Guest Star
Luke Barnes Guest Star
Fred Adams Guest Star