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EQUATION OF THE CENTRE

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Originally appearing in Volume V09, Page 720 of the 1911 Encyclopedia Britannica.
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See also:

EQUATION OF THE CENTRE , in See also:astronomy, the angular distance, measured around the centre of See also:motion, by which a See also:planet moving in an See also:ellipse deviates from the mean position which it would occupy if it moved uniformly. Its amount is the correction which must be applied positively or negatively to the mean See also:anomaly in See also:order to obtain the true anomaly. It arises from the See also:ellipticity of the See also:orbit, is zero at pericentre and apocentre, and reaches its greatest amount nearly midway between these points.

End of Article: EQUATION OF THE CENTRE

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