Meaning Of The Word Mean sun
What's the definition of Mean sun? Find Mean sun meanings, definitions and more at the Real Dictionary online.
Mean sun Meaning
| Mean sun Definition |
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What's The Definition Of Mean sun?
mean sun in American English
a hypothetical sun thought of as moving uniformly along the celestial equator at a speed equal to the actual sun's average speed along the ecliptic: hypothesized as a basis for keeping time, because the actual sun does not travel along the ecliptic at a u an imaginary sun moving uniformly in the celestial equator and taking the same time to make its annual circuit as the true sun does in the ecliptic mean sun in British English noun: an imaginary sun moving along the celestial equator at a constant rate and completing its annual course in the same time as the sun takes to move round the ecliptic at a varying rate. It is used in the measurement of mean solar time |
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