
Neocatastrophism is the hypothesis that life-exterminating events such as gamma-ray bursts have acted as a galactic regulation mechanism in the Milky Way upon the emergence of complex life in its habitable zone. It is proposed as an explanation of Fermi`s paradox since it provides a mechanism which would have delayed the otherwise expected advent....
Found on
http://en.wikipedia.org/wiki/Neocatastrophism

doctrine that natural catastrophic events shaped the evolution of life
Found on
http://phrontistery.info/n.html
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