Tunguska's comet and non-thermal C-14 production in the atmosphere

Details Tunguska's comet and non-thermal C-14 production in the atmosphere Tunguska's comet and non-thermal C-14 production in the atmosphere

Aug 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977natur.268..512b&link_type=abstract

Nature, vol. 268, Aug. 11, 1977, p. 512-514.

Other

6

Atmospheric Chemistry, Carbon 14, Comets, Tungusk Meteorite, Aerial Explosions, Nuclear Explosions, Seismograms, Siberia, Solar Flares

Scientific paper

In connection with the non-observance of a comet before impact and the subsequent enhancement of radiocarbon in the atmosphere, the possibility had been considered that the explosion on June 30, 1908, over Tunguska, Siberia, had to be explained by assuming the occurrence of an event other than the impact of a comet. An investigation is conducted concerning the significance of the various observations made in connection with the Tunguska event. It is concluded that the number of neutrons expected in the Tunguska impact, as scaled from solar flares, is in remarkably good agreement with the radiocarbon data requirements. Also the low mass of the comet and its position in the dawn sky, just before impact, makes its prior discovery extremely unlikely. These points strongly support the suggestion that the Tunguska explosion was caused by an impacting small comet.

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