Earth's rotational speed has varied significantly throughout geological history
the verdict
SUPPORTED
the evidence backs this
confidence 82/100
Earth's rotational speed has continuously varied throughout geological history, driven by mechanisms such as tidal dissipation and changing surface mass distribution.
Evidence for · 3
Long-Term Earth-Moon Evolution With High-Level Orbit and Ocean Tide Models.
2021 · cited by 10
This study models the long-term Earth-Moon system and demonstrates that tidal energy dissipation steadily slows down Earth's rotation rate over geological time.
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More for · 2
The increasingly dominant role of climate change on length of day variations.
2024 · cited by 2
This research shows that surface mass transport and climate changes continuously alter the length of day, contributing to rotational speed variations.
A 650-Myr history of Earth's axial precession frequency and the evolution of the Earth-Moon system derived from cyclostratigraphy.
2024 · cited by 1
This cyclostratigraphic analysis reconstructs the 650-million-year history of Earth's rotation and length of day, confirming significant variations over geological time.