New Study Confirms the Rotation of Earth's Inner Core Has Slowed
- Scientists tracked seismic waves and found the Earth's inner core began to slow down around 2010, previously thought to rotate faster than the surface.
- From 2008 to 2023, the inner core moved slightly in reverse relative to the mantle.
- This slowing may cause minor changes in day length but only by fractions of a second.
50 Articles
50 Articles
Earth's inner core is rotating more slowly - could change length of days
Earth’s inner core is rotating more slowly and has changed direction, experts have confirmed. The inner core is a solid iron-nickel sphere around the size of the Moon. GettyA new paper has found evidence that the Earth’s inner core (far right) is moving backwards and has slowed over time[/caption] It floats 3,000 miles beneath the planet’s surface, suspended in a sea of metal called the outer core. And a paper published last month in Nature has …
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