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 218
arly a fourth of the whole, reached aheight of twenty-eight thousand miles; several exceededeighty-four thousand miles. In rare instances they reachelevations as great as a hundred thousand miles. A. fewhave been seen which exceeded a hundred and fifty thou-sand miles; and Secchi has recorded one… … Fig. 214. 198 ASTRONOMY. outer line shows the distribution of the smaller prominences,and the inner dotted line that of the larger prominences.By comparing these lines with thoseon the opposite side of the circle,which show the distribution of thespots, it will be seen, that, while thespots are…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
