Feb 21, 2023

Earth’s hiding fifth layer in its inner core, reveals fresh evidence

Posted by in categories: education, evolution

Traditionally we’ve been taught the Earth has four primary layers. Though, a distinct change at depth suggests there’s another.

Fresh evidence concerning the possibility that Earth’s inner core has a separate inner core of its own was published in Nature Communications.

In the new study, Thanh-Son Phạm and Hrvoje Tkalčić from the Australian National University collated data from existing probes.


The latest findings suggest that the ‘innermost inner core’ may be an iron ball with a radius of about 650 kilometers inside the inner core. This could indicate a dramatic event in our planet’s history and improve our understanding of Earth’s genesis and evolution.

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