Peck, William G. (William Guy), 1820-1892 · New York, Chicago, A. S. Barnes & company · leaf 110
tude is the anglebetween the radius of the earth at the place and theplane of the equator. The angle between the normal and THE EARTH. 105 the radius is called the reduc-tion ; this is zero.at the equa-tor and at the poles, and is amaximum when the latitude is45°, where it is about 11 30.… … Fig. 47. Geocentric Latitude. Apparent and Mean Solar Time. 78. An apparent solar day is the interval between twosuccessive transits of the sun over the upper branch of thesame meridian ; time reckoned in terms of this unit is calledapparent solar time. This species of time is not adapted to the…
Astronomy
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