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 333
Fig. 347- of these masses varies from a few pounds to several tons.The entire number of aerolites of which we have any knowl-edge is therefore about four hundred and twentv. … Fig. 348.Aerolites are composed of the same elementary substancesas occur in terrestrial minerals, not a single new elementhaving been found in their analysis. Of the sixty or more ASTRONOMY. 307 elements now recognized by chemists, about twenty have beenfound in aerolites. While aerolites contain…
Astronomy
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