Traces of a cosmic catastrophe

Details Traces of a cosmic catastrophe Traces of a cosmic catastrophe

Mar 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982prir........31c&link_type=abstract

Priroda, Mar. 1982, p. 31, 32. In Russian.

Biology

Biogeochemistry, Cosmology, Ecology, Life Sciences, Meteoritic Damage, Paleobiology, Climate Change, Climatology, Meteoritic Composition, Meteoroid Dust Clouds, Sedimentary Rocks

Scientific paper

It is suggested that the ecological crisis which led to the extinction of many animal species approximately 65-million years ago may have been caused by a cosmic phenomenon, the fall of a giant meteorite (approximately 10 km in diameter). The fall of such a meteorite would have released a vast amount of dust into the atmosphere, leading to radical climatic changes and the extinction of the aforementioned species. The so-called iridium anomaly is cited as possible evidence of such an event.

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