New research indicates that Earth’s days may extend to 25 hours in approximately 200 million years due to the Moon’s gradual drift away from our planet. According to the study, the Moon is moving away from Earth at a rate of about 3.8 centimeters per year, which is causing a slow increase in the length of our days.
The study also reveals that 1.4 billion years ago, when the Moon was much closer to Earth, a day lasted just over 18 hours. This gradual change in Earth’s rotation is primarily driven by tidal forces between Earth and the Moon.
Professor David Waltham, a geophysicist at Royal Holloway, University of London, explained that the tidal drag on Earth slows its rotation over time while the Moon gains energy from this interaction in the form of angular momentum.
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This fascinating discovery offers insight into the long-term evolution of Earth’s rotation and the dynamic relationship between our planet and its only natural satellite.
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