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 27
Fig. 11. the distance of O from the equator, or the latitude of theplace. Two angles, or two arcs, which together equal 900, are IO ASTRONOMY. said to be complements of each other. ZE and E S inFig. 12 are together equal to 90° : hence they are comple- ments of each other. ZE … 7. Four Sets of Stars. -there are four sets of stars Fig- 13- (1) The stars inthe neighborhood ofthe elevated polenever set It willbe seen from Fig.13. that if the dis-tance of a star fromthe elevated poledoes not exceed theelevation of the pole,or the latitude ofthe place, its diurnalcircle will…
Astronomy
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