Possible Consequences of Nearby Supernova Explosions for Atmospheric Ozone and Terrestrial Life
- 7 June 1974
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 184 (4141) , 1079-1081
- https://doi.org/10.1126/science.184.4141.1079
Abstract
Hard x-ray pulses or increased cosmic radiation originating in nearby supernova explosions may be capable of temporarily removing most of the earth's atmospheric ozone cover even when direct radiation effects at the earth's surface are negligible. Consequently, terrestrial life may be subject to relatively huge solar ultraviolet fluxes every few hundred million years.Keywords
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