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Earth’s Inner Core Dynamics
February 20 , 2025
2 days
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- Recent studies found evidence that the Earth’s inner core deforms at its boundary with the liquid outer core.
- The inner core’s independent spin appears to be slowing.
- The core is a hot, mostly solid ball of iron roughly 1,500 miles wide.
- These findings suggest that the near surface of the inner core is undergoing the structural changes.
- These changes could affect its rotation and even influence the length of a day.
- The interactions between the inner and outer core are believed to be the driving force behind these developments.
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