Overlooked No More: Inge Lehmann, Who Discovered the Earth’s Inner Core

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Overlooked No More: Inge Lehmann, Who Discovered the Earth’s Inner Core

She pointed to evidence that the Earth’s inner core was solid — not liquid, as scientists had believed — a discovery that was ahead of its time.
Source: Overlooked No More: Inge Lehmann, Who Discovered the Earth’s Inner Core