A New Study of Earth's Inner Core Provides the Best Evidence Yet that Earth's Inner Core Is Rotating (IMAGE)

University of Illinois at Urbana-Champaign, News Bureau

A New Study of Earth's Inner Core Provides the Best Evidence Yet that Earth's Inner Core Is Rotating

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A new study of Earth's inner core used seismic data from repeating earthquakes, called doublets, to find that refracted waves, blue, rather than reflected waves, purple, change over time -- providing the best evidence yet that Earth's inner core is rotating.

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Graphic by Michael Vincent

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