Identifier: scienceguide7692amer (find matches)
Title: Guide leaflet
Year: 1901 (1900s)
Authors: American Museum of Natural History
Subjects: American Museum of Natural History Natural history
Publisher: New York : The Museum
Contributing Library: American Museum of Natural History Library
Digitizing Sponsor: IMLS / LSTA / METRO

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ficiently great tocause the material of the meteorite to flow asthough it were a gas. The energy given up in atenth of a second would be sufficient to vapo-rize both the meteorite and the material it en-countered—there would be in effect a violentexplosion that would produce a circular crater,regardless of the direction of impact, whichalone would remain as evidence of the event.The recent studies of Professor C. C. Wylie, ofthe University of Iowa, on the explosive effectsof high-speed bullets upon striking a targetevidently support the conclusions of Dr.Moulton. The stubborn reply to these theo-retical conclusions, however, is the fact thatthousands of meteorites of the original mass,several of which are mentioned on pages 4 and5, did remain about the crater. An inevitable question arises: What is theage of Meteor Crater? It is certainly young,geologically speaking. The sharp angles of theboulders and smaller fragments in the rim andtalus indicate that. A Juniper tree growing on 11
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Above: The Hoba Meteorite. The largest known meteorite, located near Grootfontein, S. W.Africa, estimated to weigh from 50 to 70 tons. The second person from the left is Dr. L. J. Spencer,who was there in charge of the meteorites in the British Museum of Natural History. Below: The Ahnighito Meteorite. The Ahnighito, weighing 36I/2 tons, the largest meteoritein any museum, brought from Greenland in 1897 by Peary. Three other large iron meteorites,pretty surely of the same fall as the Ahnighito, were found nearby. Pieces of one of these hadbeen laboriously hammer off by the Eskimos for knives. Clyde Fisher in foreground. SJi.^^^S^

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