neocatastrophism

English

Etymology

neo- +‎ catastrophism

Noun

neocatastrophism (uncountable)

  1. 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.
This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.