Astronomy for the use of schools and academies (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908, Rolfe, W. J. (William James), 1827-1910 · New York : Potter, Ainsworth, & Co. · leaf 23
s in differentparts of the earth have thesame horizon ; and as a per-son moves over the earth hecarries his horizon with him.The dome of the heavens appears to rest on the earth,as shown in Fig. 5. This is because distant objects onthe earth appear pro-jected against theheavens in the di-rection of… … Fig. earth. As it cuts the celestial sphere through the cen-tre, it forms a great circle. SN (Fig. 6) representsthe sensible horizon, and S N the rational horizon. ASTRONOMY.
Astronomy
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