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Earth’s Core Spin Variation

• arclein
There are some things about the core that have remained a mystery, though. A study from 2005 revealed that, although the inner core rotates in the same direction as the surface, it actually rotates slightly faster than the surface. That strange result joins another curious finding, from back in 1692,when astronomer Edmond Halley (of Halley's Comet fame) discovered that the Earth's magnetic field 'drifts' towards the west by a few

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