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constant of precession

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Definition of constant of precession

: the average annual rate of the precession of the equinoxes along the ecliptic amounting to about 50.26 seconds of arc

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“Constant of precession.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/constant%20of%20precession. Accessed 25 Sep. 2020.

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