A new manual of the elements of astronomy, descriptive and mathematical .. (1868)
Kiddle, Henry, 1824-1891 · New York, Ivison, Phinney, Blakeman & co.; Chicago, S.C. Griggs & co. · leaf 93
en set inrapid rotation, they losetheir circular form and arebulged out at the pointsfarthest from the axis, so asto become elliptical in form. 2. Tlie attraction exerted by the earth at its surface is less at the equa-tor tJicin at any other part, and increases as ire go from the equatortoward… … THE EARTH. 89 less rapidly at the equator than at places nearer the poles; and thiscan be accounted for only by supposing that the equatorial parts of theearth are the farthest from its centre, and the poles the nearest to it ;since the attraction of gravitation diminishes as the distance…
Astronomy
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