ScienceDaily

Earth’s day isn’t exactly 24 hours. The reason may lie deep inside the planet

Scientists may have solved why the length of Earth’s day changes by a few milliseconds over decades. Subtle shifts in the inner core appear to tug on the mantle, revealing a surprisingly dynamic world thousands of kilometers beneath our feet.

作者 ScienceDaily

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Earth’s day isn’t exactly 24 hours. The reason may lie deep inside the planet
Earth’s day isn’t exactly 24 hours. The reason may lie deep inside the planet

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