Teardrops on the Pampas

Details Teardrops on the Pampas Teardrops on the Pampas

Apr 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992s%26t....83..387s&link_type=abstract

Sky and Telescope (ISSN 0037-6604), vol. 83, April 1992, p. 387-392.

Computer Science

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Asteroids, Cratering, Meteorite Craters, Planetary Craters, Aerial Photography, Argentina, Impact Damage, Earth, Impact Craters, Oblique Impacts, Field Studies, Description, Aircraft Observations, Samples, Terrestrial, Samples, Meteorite, Energy, Popular, Ejecta, Pits, Comparisons, Cratering, Shock Effects

Scientific paper

A chain of unique impact craters gouged into the verdant plains of Rio Cuarto in central Argentina have been revealed by aerial snapshots made by an air force captain. It is suggested that the Rio Cuarto craters were produced by an asteroid approaching from the northeast at no more than 15 deg from horizontal. The energy released at the site was roughly the equivalent of a 350-megaton bomb, which is ten times the punch delivered at Meteor Crater and 30 times more powerful than the 1908 Tunguska event in Siberia. Preliminary estimation of the crater's age is under 10,000 years.

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