Earth's core has slowed so much it's moving backward

by elijahparker on 7/5/2024, 6:25:53 PM with 3 comments

  • by pfdietz on 7/5/2024, 7:12:30 PM

    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.

  • by gnabgib on 7/5/2024, 7:01:15 PM

    Paper: Inner core backtracking by seismic waveform change reversals (11 points, 21 days ago) https://news.ycombinator.com/item?id=40679957

  • by simonblack on 7/6/2024, 4:03:31 AM

    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.