by Erin Albrecht on May 8th, 2005

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Is the inner core perfectly spherical? How do we know?

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by Leezee on December 27th, 2005
Since the earth is not round - it bulges out around the equator because it spins - I would assume that the core follows the same principle and is more like a sphere that has been squished from the North and South poles. I have no actual data to support this but it might be possible to find out using seismic data. Hope this helps...
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