Friday, January 02, 2015

[tqrvgqjc] Days in a year

Assuming my sources are correct, there are 366.256366225 sidereal rotation periods in a sidereal year.  These are the motions of the earth from the perspective of a distant observer, arguably the right perspective.

The number suggests inventing a calendar and system of leap years.

(It is difficult research to find the length of the sidereal rotation period and the sidereal year in compatible units: there are so many subtly different definitions of the second.)

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