Small magnetic waves have been discovered at Earth's core, with each oscillation working on a seven year cycle. Earth's magnetic field is generated by electric currents generated by the movement of ...
Shaking from large earthquakes provides hints about something different at the center of the planet. By Kenneth Chang The inner core of the Earth appears to hold an innermost secret. Geology textbooks ...
The waves creep across the outer core every seven years. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists have detected a completely ...
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