now we really have gotten OT... But thanks! that was my question!
-CHB Alexander covered the Python part of this, so I'll answer the possible > higher-level question: we haven't yet needed a "negative" leap > second, and it's considered unlikely (but not impossible) that we ever > will. That's because the Earth's rotation is inexorably slowing ,so > the mean solar day inexorably lengthens when measured by SI seconds. > > Other things can cause the Earth's rotation to speed up temporarily > (like some major geological events), but they've only been able to > overcome factors acting to slow rotation for brief periods, and never > yet got near to overcoming them by a full second. > -- Christopher Barker, Ph.D. Oceanographer Emergency Response Division NOAA/NOS/OR&R (206) 526-6959 voice 7600 Sand Point Way NE (206) 526-6329 fax Seattle, WA 98115 (206) 526-6317 main reception chris.bar...@noaa.gov
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