Serviss, Garrett Putman, 1851- [from old catalog] · New York, London, D. Appleton and company · leaf 55
te, probably, of not less than 160,-000,000 miles in a year—a stupendous voyage through space,of whose destination we are as ignorant as the crew of a shipsailing under sealed orders, and, like whom, we must depend 44 ASTRONOMY WITH AJST OPERA-GLASS. upon such inferences as we can draw from courses… … Map 10. either side of Hercules. The reader should note that thepoint overhead in this map is not far from the star Eta (rj) inHercules. The bottom of the map is toward the south, theright-hand side is west, and the left-hand side east. It is im-portant to keep these directions in mind, in…
Astronomy
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