Kippax, John Robert, 1849- [from old catalog] · New York and London, G. P. Putnam's sons · leaf 162
looks like a smallnebula, while with the aid of a powerful instrument it isresolved into a universe of stars. It is roughly spheri-cal in outline, and there are crowded within its bordersover six thousand stars, packed so closely togetherthat the central part is simply a uniform blaze of… … Yerkes Observatory Plate X. Star-Cluster in Hercules
Stars · Constellations · Planets
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