Scientists are shedding new light on Earth's elusive fifth layer.
five times — the highest reflection rate ever recorded, smashing the previous record of two times. Observing how these waves, which are generated when Earth's tectonic plates move suddenly during earthquakes, get distorted as they go through Earth's center is helping scientists bring the elusive innermost core into clearer focus.
The team behind the latest research probed Earth's center in an innovative way using three earthquake datasets, each of which saw the core differently, study co-author Hrvoje Tkalčić told Space.com in an email. One of the events they studied was the 7.
"The innermost inner core is notoriously difficult to probe by seismic waves," Tkalčić told Space.com in an email.
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