Lockyer, Norman, Sir, 1836-1920 · London : Macmillan and Co. · leaf 183
he plane of the horizon under the meridian or line whichpasses through a star and the N. and S. points it is saidto culminate or pass the meridian, or transit; and whenthe plane of the horizon is carried to the nadir of thepoint it occupied when it rose to the star, the stars thenoccupy positions… … Fig. 22.—The Celestial Sphere, as viewed from the Poles. A Parallel sphere. To him the north pole of the heavens and the zenithcoincide, and his true horizon is the celestial equator.
Astronomy · Solar system
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