Birdwatch Note Rating
2023-01-23 23:50:41 UTC - NOT_HELPFUL
Rated by Participant: D47B0D7E2C73C48E47A7E108F81FF6C8D3A69D5E3A76AA276FAD6F1E1057F1B8
Participant Details
Original Note:
The inner core rotates in the same direction as the rest of Earth, but cycles between going slightly faster or slower (<1° difference/yr) every ~35 years. This natural cycle is only known through precise geophysical study; it does not cause noticeable changes at the surface. https://www.washingtonpost.com/science/2023/01/23/earth-core-slowing/ https://www.nature.com/articles/s41561-022-01112-z
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