Computer Science – Sound
Scientific paper
Aug 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977scisn..20..502.&link_type=abstract
Scientia Sinica, vol. 20, July-Aug. 1977, p. 502-512.
Computer Science
Sound
Bolides, Chondrites, Meteorite Craters, Meteoritic Composition, Meteoroid Showers, China, Fireballs, Meteoritic Microstructures, Olivine
Scientific paper
Characteristics of the Kirin meteorite shower are described. A red fireball bigger than the full moon was observed about 3 p.m. March 8, 1976; the sounds produced by the shock wave during the fireball's passage through the air, the thunderous noise of its violent breakup, and a series of thunderous echoes altogether lasted 4 or 5 minutes and were audible to about one million people over an area of about 200 sq km. The largest intact meteorite weighed 1170 kg, and is the largest meteorite ever recovered. It dug a 6.5 m long crater at a 42 deg angle of inclination. Another 600 kg of fragments were found in the same crater, and additional meteorites were found in a distribution area of about 500 sq km. Four samples from the meteorites were analyzed, and it is concluded that the Kirin meteorite is an H-group (olivine-bronzite) chondrite. Additional information on the fall, distribution area, flight, appearance, mineral and chemical composition, and organization of the recovery effort is provided.
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