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Scientists discover onion-like layering in Earth’s inner core

Earth’s inner core has long challenged researchers because seismic waves do not move through it uniformly. Compressional ...
Morning Overview on MSN

Earth’s core may be layered like an onion, new study suggests

Deep beneath our feet, far beyond the reach of any drill, new research suggests that Earth’s center is far more intricate than a simple metal ball. Instead of a single solid sphere, the inner core ...
Study Finds on MSN

Earth’s core may have an onion-like structure scientists never knew existed

There may be hidden layers to Earth’s core dictated by chemical composition. In A Nutshell Lab experiments suggest Earth’s ...
AOL

Silicon and carbon in iron may explain the onion-like layering of Earth’s inner core

Earth’s inner core has long puzzled scientists because seismic waves move through it unevenly. Compressional waves from earthquakes travel about 3 to 4 percent faster along the planet’s rotation axis ...