C: Movement of molten iron in the outer core

Sun, 03 May 2026 10:14:42 +0000

### Why the Movement of Molten Iron in Earth’s Outer Core Is Creating Curiosity Across the U.S. Have you ever wondered what powers the Earth’s strongest magnetic field—an invisible force that shields us from solar storms and guides navigation? At the heart of this dynamic system lies a massive, unimaginable process: the movement of molten iron in the outer core.