Moulton, Forest Ray, 1872-1952 · New York, The Macmillan company · leaf 584
sometimes emitted by aurorse andthe earths immense distance from the sun, it seems prob-able that the sun loses these particles at a rate which makesthe process important. If so, the stars may possibly be dis-integrating into nebulffi. For example, the nebulositiesaround the Pleiades (Fig. 184) may… … Fig. 184. — The Pleiades. These stars are surrounded by nebulous massesof enormous volume. Photographed by Bitchey with the two-foot reflectorof the Yerkes Observatory. 538 AN INTRODUCTION TO ASTRONOMY [ch. xiii, 298 It is obvious that we do not know with any high degreeof certainty in which…
Astronomy
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