Lessons in astronomy including uranography. A brief intoductory course without mathematics (1896)
Young, Charles A. (Charles Augustus), 1834-1908 · Boston, London, Ginn and company · leaf 251
ss alloyed with nickel. The total number ofmeteorites which havefallen and been gatheredinto cabinets since 1800is about 250, — only 10of which are iron masses.Nearly all, however, con-tain a large percentage ofiron, either in the metal-lic form or as sulphide.Between 25 and 30 of the 250 fell… … Fig. 67.Fragment of one of the Amana Meteoric Stones. § 316] PATH AND MOTION. 239 Twenty-five of the chemical elements have been found inthese bodies, including helium (Art. 181); but not one new-element, though a large number of new minerals appear inthem, and seem to be characteristic of…
Astronomy
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