I figured it would be within 5% margin. I find this pretty interesting, https://phys.org/news/2023-11-reveal-earth-surface-penetrate-deep.html https://phys.org

I figured it would be within 5% margin. I find this pretty interesting, https://phys.org/news/2023-11-reveal-earth-surface-penetrate-deep.html https://phys.org/news/2023-11-reveal-earth-surface-penetrate...