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Researchers have discovered that Earth's "solid" inner core is actually a bit soft. The scientific world believed that Earth's inner core was a solid ball of compressed iron alloy which a liquid outer core covered for more than half a century. However, according to a recent study, the planetary ball's hardness varies from hard to semisoft to liquid metal.
A new study suggests that Earth's inner core is not entirely a solid ball, which contradicts the first idea of the sphere's physical structure.
A new study states that the inner core, earlier thought to be a solid ball of compressed iron alloy covered with a liquid outer core, might be slightly mushy.
The discovery could have implications for Earth's magnetic field, a scientist involved in the study has said.
The inner core plays an important role in sustaining life on our planet as it powers the dynamic process that generates our Earth's magnetic field, which, in... 09.10.2021, Sputnik International