[LEAPSECS] Far past and far future

[Clive D.W. Feather]

Rob Seaman said:

> So, if the moment of inertia increases by 0.2 parts per million, the angular velocity must decrease by the same amount to keep the angular momentum constant.  If this unfortunate occurrence happened in the current day, length of day would thus increase by 0.017 SI-seconds.  This would require a leap second six times per year to accommodate.

> 

> ...and this is *still* within the scope of the current definition of UTC to accommodate - plus a comfy factor of two for monthly Shannon-Nyquist sampling.


Um, this is at a time when LOD is about 172800 seconds. That's a leap
second *every second*.

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