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Earth’s core may have an onion-like structure scientists never knew existed

There may be hidden layers to Earth’s core dictated by chemical composition. In A Nutshell Lab experiments suggest Earth’s ...

Silicon and carbon in iron may explain the onion-like layering of Earth’s inner core

Earth’s inner core has long puzzled scientists because seismic waves move through it unevenly. Compressional waves from ...
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Scientists may have finally solved the puzzle of Earth’s inner core layers

A groundbreaking study published in Nature Communications offers new insights into Earth’s inner core, potentially solving long-standing mysteries about seismic anomalies. An international team led by ...
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Two-step nucleation of the Earth’s inner core

Proceedings of the National Academy of Sciences of the United States of America, Vol. 119, No. 2 (January 11, 2022), pp. 1-6 (6 pages) The Earth's inner core started forming when molten iron cooled ...