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An illustration shows the Earth's core wrapped in red matter representing a newly discovered structure that may be wrapping around the Earth's core. Above the core, seismic waves from earthquakes are shown bouncing off of the structure to the detector places in Antartica.
An artist's impression inspired by scientists's discovery that a structure, made of ancient ocean, might wrap around the Earth's core, shielding the mantle from its intense heat.

Edward Garnero and Mingming Li at Arizona State University

  • Scientists have created a detailed map of the geology beneath Earth's southern hemisphere.
  •  They believe an ancient ocean floor may be wrapped around our planet's mysterious core.
  • The new findings could explain why the core is so much hotter than the mantle above it.

There's a lot we still don't know about our planet's core, which lies about 1,800 miles beneath our feet.

Tags
Science, news-uk, Earth, Core, mantle, geology, Mystery, Science
Source
Earth's mysterious core may be encased by an ancient ocean floor that has mount…