Earth’s inner core less solid than previously thought — USC News

Scientists are probing the secrets of Earth’s inner core—and how it saved life on our planet

Inner Core of the Earth | Composition, Characteristics & Facts

Outer Core Composition | Overview & Characteristics

The three interior layers of the Earth: the crust, the mantle, and the core | Britannica

Earth’s inner core actually wobbles like a pendulum  Recent seismic studies reveal that the solid inner core doesn’t spin at a constant speed — it oscillates back and forth over time, shifting its rotation relative to the rest of the planet. #science #geology #earthscience #research #innovation #TechFactsHub | Factspedia | Facebook

Iron Atoms Discovered on the Move in Earth’s Solid Inner Core