[time-nuts] Determination of the placement of the first pps

Hal Murray hmurray at megapathdsl.net
Mon Jan 23 14:39:07 EST 2012


> Not to mention the solar noon varies by +/- 15min over the year (don't ask
> me how this is called...old knowledge from my high school days) 

Analemma: It's the figure 8 you see on globes in the middle of the Pacific 
Ocean.

It's caused by the Earth's orbit not being circular and the axis of rotation 
not being perpendicular to the orbit plane.

http://en.wikipedia.org/wiki/Analemma



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