Newcomb, Simon, 1835-1909, Holden, Edward Singleton, 1846-1914, joint author · New York, H. Holt and Company · leaf 481
Fig. 126.—the omega or HORSEsnoE nebula. HI 462 ASTMOMOMT, % 3. STAR CLUSTERS. The most noted of all the clusters is the Pleiades, which havealready been briefly described in connection with the constellationTaurus. The average naked eye can easily distinguish six starswithin it, but under… … Fig. 127.—the trifid nebula. more stars can be counted. With the telescope, over a hundredstars are seen, A view of these is given in the map accompanyingthe description of the Pleiades, Fig. 113, p. 425. This group con-tains Tempels variable nebula, so called because it has been sup-posed to be…
Astronomy
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