 | Ezra Otis Kendall - 1845 - 404 стор.
...pierces the heavens are called the North and South Poles. The Celestial Equator, or simply the Equator, is the great circle in which the plane of the earth's equator produced would cut the celestial sphere. It intersects the horizon at the east and west points. The... | |
 | John Lockhart (of Kirkcaldy.) - 1862 - 216 стор.
...the heavens marked out by the indefinite extension of the plane of the terrestrial equator, or, it is the great circle in which the plane of the earth's equator produced would cut the heavens. What is the ecliptic 1 The ecliptic is that great circle of the heavens,... | |
 | Henry Nathan Wheeler - 1886 - 250 стор.
...sphere, and the points in which it cuts the latter are called the poles of the celestial sphere. § 3. The great circle in which the plane of the earth's equator cuts the celestial sphere is called the celestial equator, or the equinoctial. § 4. Great circles which pass through the poles... | |
 | Henry Nathan Wheeler - 1878 - 198 стор.
...sphere, and the points in which it cuts the latter are called the poles of the celestial sphere. § 3. The great circle in which the plane of the earth's equator cuts the celestial sphere is called the celestial equator, or the equinoctial. § 4. Groat circles which pass through the poles... | |
 | George Albert Wentworth - 1882 - 234 стор.
...surface of which all the heavenly bodies appear to be situated. The Celestial Equator, or Equinoctial, is the great circle in which the plane of the earth's equator produced intersects the surface of the celestial sphere. The Poles of the equinoctial are the points... | |
 | George Albert Wentworth - 1884 - 330 стор.
...surface of which all the heavenlybodies appear to be situated. The Celestial Equator, or Equinoctial, is the great circle in which the plane of the earth's equator produced intersects the surface of the celestial sphere. The Poles of the equinoctial are the points... | |
 | George Albert Wentworth - 1887 - 346 стор.
...surface of which all the heavenly bodies appear to be situated. The Celestial Equator, or Equinoctial, is the great circle in which the plane of the earth's equator produced intersects the surface of the celestial sphere. The Celestial Meridian of an observer is the... | |
 | De Volson Wood - 1887 - 272 стор.
...place of the observer, Z his zenith, then will HBH be his horizon. The celestial equator or equinoctial is the great circle in which the plane of the earth's equator produced cuts the surface of the celestial sphere, as EDQ. The axis of the earth is the imaginary line... | |
 | Charles Augustus Young - 1889 - 518 стор.
...Equinoctial.— This is a great circle of the celestial sphere, drawn half-way between the poles (therefore everywhere 90° from each of them), and is the great...sphere. It is often called the " Equinoctial." Fig. 6 shows how the plane of the equator produced far enough would mark out such a circle in the heavens.... | |
 | John Thornton (M.A.) - 1890 - 372 стор.
...the great circle of the celestial sphere 90° from each celestial pole. It may also be regarded as the great circle in which the plane of the earth's equator cuts the celestial sphere. At its highest point it is just as far below the zenith as the pole is above the horizon, and it cuts... | |
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Equinoctial, is the great circle in which the plane of the earth's equator produced intersects the surface of the celestial sphere. 
