Two Enormous Blobs of Superheated Material Help Shape Earth’s Magnetic Field

Feb 3, 2026 - 14:00
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Two Enormous Blobs of Superheated Material Help Shape Earth’s Magnetic Field
Two enormous blobs of solid, superheated material located at the base of Earth’s mantle affect the underlying liquid outer core. Image credit: Biggin et al., doi: 10.1038/s41561-025-01910-1.

Two immense, ultrahot rock structures located at the base of Earth’s mantle, around 2,900 km beneath Africa and the Pacific, have been shaping Earth’s magnetic field for millions of years, according to a new study led by University of Liverpool’s Professor Andy Biggin.

The post Two Enormous Blobs of Superheated Material Help Shape Earth’s Magnetic Field appeared first on Sci.News: Breaking Science News.

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