Astronomy for the use of schools and academies (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908, Rolfe, W. J. (William James), 1827-1910 · New York : Potter, Ainsworth, & Co. · leaf 226
some instances their com-plete development or disappearance takes no longer time.Sometimes they consist of pointed rays, diverging in alldirections, as represented in Fig. 220. Sometimes theylock like flames, sometimes like sheaves of grain, some-times like whirling water-spouts capped with a great… … of an Ionic column; and continually they detach fila-ments, which rise to a great elevation, gradually expand-ing and growing fainter as they ascend, until the eye losesthem. 201. Change ofForm in Prominences.— Fig. 221 representsa prominence asseen by ProfessorYoung, Sept. 7, 18 71.It was an…
Astronomy
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