(Worthy Insights) – It’s not much of a stretch to say that Earth’s inner structure, especially the innermost spherical core, has stupefied scientists for generations. It sits over 3,000 miles below the surface, smaller than the Moon yet massive enough to play a big part in Earth’s magnetic field.
A recent study in Nature Geoscience points to changes that started around 2010, suggesting Earth’s inner core’s spin was slowing.
In effect, it was found to be to be reversing and backtracking relative to the planet’s surface. This discovery has sparked fresh conversations about how the planet’s interior behaves over time. [ Source (Read More…) ]
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