Algorithm detects new mysterious layer inside Earth’s core – The Next Web

Schoolchildren have long been taught that Earths composed of four main layers: the crust, the mantle, the outer core, and the inner core. But a new study suggests their textbooks may be incomplete.
Researchers from The Australian National University (ANU) discovered a mysterious new layer at the center of the planet: the innermost inner core.
They suspect it contains secrets about an unknown, dramatic event in the Earths history.
Geologists first proposed the idea of a fifth layer decades ago, but…

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