The length of Earth's day is not set in stone and may surprise you
Fox News
A day on Earth is not always 24 hours on the dot. Scientists in Germany recently published findings that demonstrate that the length of a day can vary.
That's because the length of any given day is dependent on how long it takes Earth to complete one rotation. Ashlyn Messier is a writer for Fox News Digital.
Though the rotation of the Earth is often perceived as constant, the precise length of time that it takes for Earth to complete one rotation can vary slightly due to factors like earthquakes and volcanic eruptions.
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