Newcomb, Simon, 1835-1909, Holden, Edward Singleton, 1846-1914, joint author · New York : H. Holt and company · leaf 485
hows agradual condensation or increasing brightness toward a centre.This theory of central power is fully established on grounds of ob-servation which cannot be overturned. Clusters can be found of 10 diameter with a certain degree ofcompression and stars of a certain magnitude, and smaller… … Fig. 139.—globdlab cluster. Fig. 130.—compressed cluster. there are, which lead to the belief that either they are more com-pressed or are composed of larger stars. Spherical clusters areprobably not more different in size among themselves than differentindividuals of plants of the same species. As…
Astronomy
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