Recreations in astronomy : with directions for practical experiments and telescopic work (1879)
Warren, Henry White, 1831-1912 · New York : Harper & Brothers · leaf 233
ys of stars. There is a cluster of this latter class inHercules, just under the S3in Fig. 72. Probably noone ever saw it with agood telescope without ashout of wonder/ Hereis a cluster of the formerclass represented in Fig. 77.The noble globular clus-ter to Centauri is beyond allcomparison the… … Fig. 77.—Globular Cluster. NEBULA 217 magnitude, the minuteness of each star may be imag-ined.5 There are two possibilities of thought concerningthese clusters. Either that they belong to our stellar stem, and hence the stars must be small and young,or they are another universe of millions of suns,…
Astronomy
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