Moulton, Forest Ray, 1872-1952 · New York, The Macmillan company · leaf 380
ets of 1607 and 1531. Hecame to the conclusion that these various comets were onlydifferent appearances of the same one which was ^evolvingaround the sun in a period of about 75 years. ^ ne recordsof comets in 1456, 13D1, 1145, and 1066 confirmed this viewbecause these dates differ from 1682 by… … Fig. 126. — Morehouses comet, Oct. 15, 1908. Photographed by Barnardat the Yerkes Observatory. 334 AN INTRODUCTION TO ASTRONOMY [ch. x, 201 Many of Halleys contemporaries were very skepticalregarding this prediction. The law of gravitation had onlyrecently been discovered and the certainty with…
Astronomy
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