Sharpless, Isaac, 1848-1920, Philips, G. M. (George Morris), 1851-1920, joint author · Philadelphia, J.B. Lippincott company · leaf 267
Fig. 62.—Cluster in Libra. Fig. 63.—Cluster in Hercul 229. Nebulce.—In addition to the clusters there maybe seen in the telescope masses of misty light, which … Fig. 64.—Singular Clusters. cannot be resolved into stars. These are nebulce.Some of them are clusters so far away or so faint that CLUSTERS AND NEBULAE. 263
Astronomy
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