Frederik's Friday Fact

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Friday 25 Sep 2009: The earth is slowing down
The rotation speed of the earth is influenced by various factors, most important of which are tidal forces between the earth and the moon. The net result is that the time of one full rotation of the earth around its axis (i.e. one "day") increases by about 2 ms (or 0.002 s) per day per century.

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