Elementary astronomy; a beginner's text-book (1899)
Holden, Edward Singleton, 1846-1914 · New York, H. Holt and company · leaf 73
s made by Polaris. the same. It is the north celestial pole. If the camerahad been directed to the equator the trails of the starspassing across the plate would have been straight lines. 52 ASTRONOMY. If the student is a photographer, he should try these ex-periments for himself, using the… … Fig. 30.From a photograph of the trails of stars near the celestial equator. the right one ? It is possible to explain the rising and set-ting of the stars in several ways. Let us give three suchways. (A.) The Earth and the observer are at rest and each andevery star has a particular motion of its…
Astronomy
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