Elementary astronomy; a beginner's text-book (1899)
Holden, Edward Singleton, 1846-1914 · New York, H. Holt and company · leaf 313
e all total eclipses, no matter in whatparts of the Earth they occur, as up to the present time there is noother way of investigating the corona and its spectrum. 292 ASTRONOMY. The spectrum of the corona consists of several bright lines super-posed on a faint continuous band. The continuous… … Fig. 170. -Forms of the Solar Prominences as seen withthe Spectroscope. The corona is a mass of inconceivably rarefied matterenveloping the San and extending far oat into space. Itis excessively rarefied, as is proved by the fact that cometsmoving round the San close to it (and thus passing…
Astronomy
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