‘New hidden world’ discovered in Earth’s inner core

Opera News – Live Science

October 27, 2021

Earth’s “solid” inner core might actually be a bit mushy, researchers now find.

For over half a century, the scientific community thought that Earth‘s inner core was a solid ball of compressed iron alloy surrounded by a liquid outer core. But new research, published Sept. 20 in the journal Physics of the Earth and Planetary Interiors, suggests that the firmness of the planetary ball ranges from hard to semisoft to liquid metal.

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