Episode
1661: "The Earth's Core is Younger than its Surface"
- Podcast
- Interesting Things with JC
- Published
- May 23, 2026
- Duration seconds
- 155
- Processing state
not_requested
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Summary
Interesting Things with JC #1661: "The Earth's Core is Younger than its Surface" – A clock at Earth’s core runs slightly slower than a clock on the surface, and over 4.5 billion years that tiny relativity effect leaves the center of the planet about two and a half years younger than the ground above it.