21st Talks

The longest day - why does the Earth‘s rotation fluctuate?

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The earth is slowing down. After a phase of accelerated Earth rotation, the International Earth Rotation and Reference Systems Service (IERS) expects the longest day since 2019 in 2025, according to a recent calculation. Moon, tides, Earth‘s core, winds and now humans? The complex causes of the Earth‘s rotational fluctuations are still only partially understood … Continue reading The longest day – why does the Earth‘s rotation fluctuate?