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Earthquake vibration suggests Earth's inner core is solid but squishy

October 22, 2018 Science 2 Views With more than 5,000 km (3000 miles) of rock between us and the Earth's…

With more than 5,000 km (3000 miles) of rock between us and the Earth’s core, it’s hard to get a clear look at what’s going on down there. Det er lenge siden, at den indre kernen er en solid ball of jern, men direkte bevis er vanskelig å komme forbi. Now, researchers from the Australian National University (ANU) have detected a type of seismic wave passing through the core that only propagates through solid objects.


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