Earth’s Inner Core Found To Have A Core Of Its Own

An international team of researchers has discovered one of Earth’s deepest, darkest secrets: our planet’s inner core — once thought to be a ball of solid iron — has a hidden inner core of its own. And this so-called “inner-inner core” seems to have some very peculiar properties.

“The fact that we have two regions that are distinctly different may tell us something about how the inner core has been evolving,” Dr. Xiaodong Song, a professor of geology at the University of Illinois and co-author of a new paper about the discovery, said in a written statement. “For example, over the history of the earth, the inner core might have had a very dramatic change in its deformation regime. It might hold the key to how the planet has evolved. We are right in the center — literally, the center of the Earth.”

What else is inside Earth? Take a subterranean tour in the “Talk Nerdy To Me” video below.

The Huffington Post