The length of Earth’s days has been mysteriously increasing, and scientists don’t know why

Image credit: Shutterstock. Article by Matt King and Christopher Watson. The Conversation – August 5, 2022. 

Atomic clocks, combined with precise astronomical measurements, have revealed that the length of a day is suddenly getting longer, and scientists don’t know why. This has critical impacts not just on our timekeeping, but also things like GPS and other technologies that govern our modern life. Over the past few decades, Earth’s rotation around its axis – which determines how long a day is – has been speeding up. […]

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