Winchell, Alexander, 1824-1891 · Chicago, S.C. Griggs and company · leaf 41
l 15, 1880, and in the Departments of the Basses-Alpes, Isere andAin, France, April 21-25, 1880 {Comptes Eeiidm, 10 Maj% 1880), as also in Algiers,April 24-2f;, 188) {Nature, xxii, 7(j). Mr. Murray of the Challenger foundmeteoric dust in the dredgings from the bottom of the sea. (See Archi-bald… … METEORS. 13 An insignificant addition to the earths mass, the readermay think. But let us examine. Ehrenberg states that themass of dust which fell at Lyons in 1846, over an extent of400 square miles, was estimated by the French savans tobe 7,200 quintals, or 793 tons. Chladni calculated thatthe…
Nebular hypothesis · Cosmogony
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