Moulton, Forest Ray, 1872-1952 · New York, The Macmillan company · leaf 519
ease in the number of stars is on the averagegradual from the Milky Way to its poles, showing that thesun is actually in the midst of the clouds of stars on which thetable is based, (c) The relative condensation in the planeof the Milky Way is greater, the fainter the stars. Thisproves that the… … Fig. 166. — Great star clouds in Sagittarius. Photographed by Barnard atthe Yerkes Observatory. CH. XIII, 271] THE SIDEREAL UNIVERSE 473 of its poles. The counts of stars by Kapteyn, based in parton the visual observations of Sir John Herschel, give stillgreater relative condensation in the plane…
Astronomy
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