Oregon State University

College of Earth, Ocean, and Atmospheric Sciences

Origins of the Earth's Magnetic Field

If you're alive and reading this, you can thank the Earth's magnetic field, which provides a protective barrier against the sun's harmful radiation. But how did our magnetic field begin? New research from the College of Earth, Ocean, and Atmospheric Sciences at Oregon State University suggests that an ancient magma ocean deep inside the Earth's mantle may be the reason.

See the Paleo-and-Environmental Magnetism Laboratory website to learn more!


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