A text-book of general astronomy : for colleges and scientific schools (1888)
Young, Charles A. (Charles Augustus), 1834-1908 · Boston ; London : Ginn & Company · leaf 218
e simply the remnants of prominences whichappear to have been thrown up from below, but in some cases theyactually form and grow larger without any visible connection withthe chromosphere—a fact of considerable importance, as showing inthose regions the presence of hydrogen, invisible to our… … The Chromosphere and Prominences seen in theSpectroscope. 206 TIIK SUN.
Astronomy
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