Neocatastrophism

Noun

Word Frequency: 0.0

Definitions

1.NounThe 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.

Synonyms

catastrophism exogenesis gaia hypothesis cosmological natural selection catastrophic mortality oxygen catastrophe oligarchic accretion necropanspermia catagenesis extinction event nomogeny cosmogeny

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