Space Nuts: Astronomy Insights & Cosmic DiscoveriesAngular Momentum, Cosmic Time Dilation & Dark Matter Mysteries Unraveled | Q&ADoes gravity age the universe?
12:05–13:32 · 87s
Fred explains how gravitational time dilation near a black hole would make the universe seem younger to you, but why cosmologists still treat 13.8 billion years as a universal yardstick.