August 26, 2005
Spinning the Core

Slashdot linked up news that scientists have found even more proof that the Earth's core spins faster than the rest of the planet:

Confirming assertions first made in 1996, a team of geophysicists are presenting data in the journal Science today showing that the earth's inner core, a ball of solid iron larger than the moon, spins faster than the rest of the planet. Over a period of 700 to 1,200 years, the inner core appears to make one full extra spin.

Also includes the startling assertion that the core has "wood-grain-like layering."

Posted by scott at August 26, 2005 10:09 AM

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