Peck, William G. (William Guy), 1820-1892 · New York, Chicago, A. S. Barnes & company · leaf 39
s lies to the ivest and the left handside to the east, just the reverse of what obtains in a terres-trial map. 34 ASTRONOMY. Method of Tracing out the Constellations. 34. The great bear. The seven principal stars of thisconstellation form a group that is commonly known as theDipper. This group… … Fig. 11. Map I., May 15th, 9 oclock p.m. This constellation gives us two convenient measures which are ofcontinual use in estimating distances in the heavens : the distancefrom a to /3 is about 5°, and the distance from a to rj, that is, the en-tire length of the dipper, is about 25°. OF THE STARS.…
Astronomy
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