exogenesis

Noun

exogenesis (uncountable)

1. The theory that life on Earth is of extraterrestrial origin.
   • Panspermia, one possible form of exogenesis, is the notion that the seeds of life are scattered throughout the universe.2011, Gerald Benedict, The Maya: 2012: the end of the world, or the dawn of enlightenment?, page 21
   • The hybridization of the viroid and fungoid (creating a life that transmogrifies and creeps) can be tied to the theory of exogenesis. The theory of exogenesis holds that life has always already existed and that life on earth has come from elsewhere.2012, Ben Woodard, Slime Dynamics
2. External origin.
   • In later development, the merozoites assume a peripheral location and grow outward at the surface, with the limiting membrane of the mother meront forming the outer membrane of the merozoite, as in exogenesis.1982, Peter L. Long, The Biology of the Coccidia, page 123
   • The exogenesis theory forwarded by Targulian reveals the role of boundary in the solid-air and solid-water systems: for their interaction.2002, Eurasian Soil Science - Volume 35, page S-116