 ... path of the sun as seen from the Earth, and is called the Ecliptic. The plane of the Earth's equator, extended till it meets the concave surface of the heavens, forms what is called the Celestial Equator, or the Equinoctial. The ecliptic and the equinoctial...  Navigation and Nautical Astronomy - Page 54by H. W. Jeans - 1858Full view - About this book
 | Edward Riddle - 1824 - 572 pages
...1% SIGNS. Libra, Scorpio, Sagittarius, Capricornus, Aquarius, Pisces. MARKS, ¿b ni f Vf ^ j£ The inclination of the equator to the ecliptic is called the obliquity of the ecliptic. The latitude of a celestial body is an arc of a circle of latitude intercepted between the object and the... | |
 | Thomas Curtis (of Grove house sch, Islington) - 438 pages
...in which they intersect has a progressive motion from west to east. See ASTRONOMY, PRECESSION. The inclination of the equator to the ecliptic is called the obliquity of the ecliptic. The latitude of a celestial object is its distance from the ecliptic measured on a perpendicular to that... | |
 | George Payn Quackenbos - 1860 - 468 pages
...Equator, or the Equinoctial. The ecliptic and the equinoctial form an angle of 23° 28', and this angle is called the Obliquity of the Ecliptic. The axis of the Earth, therefore, instead of being perpendicular to the plane of its orbit, is inclined to it at an angle of (90° —... | |
 | George Payn Quackenbos - 1860 - 484 pages
...Equator, or the Equinoctial. The ecliptic and the equinoctial form an angle of 23° 28', and this angle is called the Obliquity of the Ecliptic. The axis of the Earth, therefore, instead of being perpendicular to the plane of its orbit, is inclined to it at an angle of (90° —... | |
 | George Payn Quackenbos - 1862 - 468 pages
...Equator, or the Equinoctial. The ecliptic and the equinoctial form an angle of 23° 28', and this angle is called the Obliquity of the Ecliptic. The axis of the Earth, therefore, instead of being perpendicular to the plane of its orbit, is inclined to it at an angle of (90° —... | |
 | George Payn Quackenbos - 1863 - 474 pages
...Equator, or the Equinoctial. The ecliptic and the equinoctial form an angle of 23° 28', and this angle ia called the Obliquity of the Ecliptic. The axis of the Earth, therefore, instead of being perpendicular to the plane of its orbit, is inclined to it at an angle of (90° —... | |
 | Henry William Jeans - 1868 - 228 pages
...always directed to the same points in the celestial concave, namely, the poles of the heavens. 13. I'rom observation, the celestial equator is found to be...plane, to the earth's orbit, at an angle of 66° 32'. 14. In consequence of the whirling motion of the earth about its axis, the parts near the equator,... | |
 | Henry William Jeans - 1870 - 288 pages
...always directed to the same points in the celestial cóncave, namely, the рсйe* of the heavens. (37.) From observation, the celestial equator is found to...plane, to the earth's orbit, at an angle of 66° 32'. (38.) In consequence of the whirling motion of the earth about its axis, the parts near the equator,... | |
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