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Gravitational Torque Drives Multidecadal Variations in Earth's Length of Day

A study published in Nature finds that gravitational coupling between Earth’s inner core and solid mantle drives multidecadal fluctuations in the planet's rotation.

1 publisher · 3 articles · first seen 23 Sept 2026 · updated 45d ago

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1 publisher has covered this in 3 articles since 23 Sept 2026. Nature published first, on 23 September at 00:00 UTC. The most recent article, from Nature, appeared on 23 September at 00:00 UTC.

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Sources

Every article we clustered into this story. Headlines link to the publisher.

  1. Gravitational torque drives multidecadal variations in length of day Nature ·
  2. Gravitational tug-of-war inside Earth is changing the length of our days Nature ·
  3. Gravitational forces inside Earth drag some decades out — and make others fly by Nature ·
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