News of the WeekGeophysics

Earth's Inner Core Is Running a Tad Faster Than the Rest of the Planet

Science  26 Aug 2005:
Vol. 309, Issue 5739, pp. 1313
DOI: 10.1126/science.309.5739.1313a

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Nine years after suggesting that Earth's inner core may spin faster than the rest of the planet, the original claimants are back with persuasive evidence. The rate is not as fast as it first seemed, but possibly fast enough to help probe the nature of Earth's layered interior.