Earth's Core Seems to Be Wrapped in an Ancient, Unexpected Structure

The most high-resolution map yet of the underlying geology beneath Earth's Southern Hemisphere revealed something we previously never knew about: an ancient ocean floor that may wrap around the core.

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Arizona , United States , Antarctica , Samantha Hansen , Edward Garnero , Mingming Li Arizona State University , University Of Alabama , Arizona State University , Southern Hemisphere , Arizona State , Science Advances ,