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Earth's core has slowed so much it's moving backward (cnn.com)
6 points by elijahparker 714 days ago
3 comments
pfdietz 714 days ago
Moving backward in the rotating reference frame of the Earth. In other words, it's rotating slightly more slowly than the Earth as a whole.
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gnabgib 714 days ago
Paper: Inner core backtracking by seismic waveform change reversals (11 points, 21 days ago) https://news.ycombinator.com/item?id=40679957
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simonblack 714 days ago
I wonder if that has any effect on the periodic flipping of the north and south magnetic poles. Something has to cause that to happen.
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