 | John BRINKLEY (Bishop of Cloyne.) - Astronomy - 1836 - 334 pages
...if the earth had been originally in a fluid state, its form would be accurately that of a spheroid, generated by the revolution of an ellipse about its minor axis. The proportion of its diameters would then be readily investigated from a comparison of the lengths of... | |
 | James R. Christie - Astronomical instruments - 1853 - 140 pages
...elaborate modes of measurement, this form is found to approximate most nearly to the solid which would be generated by the revolution of an ellipse about its minor axis; the ratio of the two axes being very nearly 298 to 299. 3. As the MOON, next to the Sun, at once attracts... | |
 | William Chauvenet - Astronomical instruments - 1864 - 726 pages
...to apply. The figure of the earth is very nearly that of an oblate spheroid, that is, an ellipsoid generated by the revolution of an ellipse about its minor axis. The section made by a plane through the earth's axis is nearly an ellipse, of which the major axis is the... | |
 | William Chauvenet - 1864 - 720 pages
...to apply. The figure of the earth is very nearly that of an oblate spheroid, that is, an ellipsoid generated by the revolution of an ellipse about its minor axis. The section made by a plane through the earth's axis is nearly an ellipse, of which the major axis is the... | |
 | Philip Thomas Main - Astronomy - 1868 - 224 pages
...have stated that the Earth is almost a sphere : its exact figure is an oblate spheroid, i. & a figure generated by the revolution of an ellipse about its minor axis. The minor axis of the ellipse, or the shortest diameter of the Earth, is about 7900 miles, and is less... | |
 | Alexander Charles Ewald - 1870 - 386 pages
...earth's curvature. The shape of the earth is very nearly that of an oblate spheroid, that is, the solid generated by the revolution of an ellipse about its minor axis. The earth has a continual motion of rotation, which is performed once in every twenty-four sidereal hours,... | |
 | Mansfield Merriman - Earth - 1881 - 104 pages
...discuss in the next chapter. CHAPTEE II. THE EAETH AS A SPHEEOID. 18. SINCE an oblate spheroid is a solid generated by the revolution of an ellipse about its...and semi-minor axes of this meridian ellipse, which of course are the same as the semi-equatorial and semi-polar diameters of the spheroid ; when the values... | |
 | John Parker - Thermodynamics - 1891 - 452 pages
...and the angular 5) velocity equal to ^ — ^.-2 , the surface of the earth is very approximately that generated by the revolution of an ellipse about its minor axis, the centre of the ellipse being placed at G, and the minor axis along Gz. The equation to this surface,... | |
 | Parker J. - 2019 - 448 pages
...velocity equal to -^ — TT™ , the surface of the earth is very — '.r X Ov" approximately that generated by the revolution of an ellipse about its minor axis, the centre of the ellipse being placed at G, and the minor axis along Gz. The equation to this surface,... | |
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The figure of the earth is very nearly that of an oblate spheroid, that is, an ellipsoid generated by the revolution of an ellipse about its minor axis. The... 