As the ball turns: Earth’s inner core is ‘backtracking’
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Using seismic data to measure changes in solid core’s motion, geologists discover it now turns more slowly relative to surface of Earth.
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U seismologists probe Earth’s inner core
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The inner core is not the homogenous mass that was once assumed by scientists, but rather it’s more like a tapestry of different “fabrics.”
Read MoreContributing to nuclear security
To expand the International Monitoring System’s capabilities, monitors should seek out the data, methods and expertise of smaller regional seismic networks.
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