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Pronunciation Guide
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Listen to native speakers pronounce “lehmann” in real conversational contexts with synchronized timestamps and subtitles.
So, in 1936, Lehmann published a paper theorizing that Earth’s center consisted of two parts: a liquid outer core surrounding a solid inner core.Lehmann passed away in 1993 at the age of 104, living long enough to see her theory about the Earth’s core become widely accepted scientific consensus.Lehmann solved one huge mystery, but there’s still so much to learn about Earth’s core.