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.
| 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 |