Newcomb, Simon, 1835-1909, Holden, Edward Singleton, 1846-1914, joint author · New York, H. Holt and Company · leaf 427
^ng its physical constitution. Some of the results ofthe observations made upon it have already been presented. … Fig. 111.—donatis comet of 1858. ( ENCKES COMET. 409 Its greatest brilliancy occurred about the beginning ofOctober, when its tail was 40° in length and 10° in breadthat its outer end. DoNATis comet had not long been observed when itwas found that its orbit was decidedly elliptical. After…
Astronomy
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