Astrophysics

   

An ab Initio Definition of Life Pertaining to Astrobiology

Authors: Ian von Hegner

Many definitions of life have been put forward in the course of time, but none however has apparently emerged that entirely has been able to encapsulate life. Putting forward an adequate definition is not a simple matter to do, this despite many seems to believe they have an intuitive understanding of what it’s meant when they state something is life. Yet it is important to do so, because we ourselves, individually and collectively, are life, entailing an importance in itself. Furthermore, humankind’s capability to look for life on other planets is steadily becoming a real possibility. But in order to realize that search a definition of life is required. Progress has been made though. Life is a complex, but natural phenomena that emerged and has been maintained under the dual demands of thermodynamics and evolution. Thus, any definition of life must include thermodynamics specifically and evolution generally. A definition of life can be obtained through the application of first principles from physics, chemistry and biology. It must encapsulate the minimal properties shared between all life, and demonstrate that the interconnected aspects of life are unique for precisely life, that it collectively does things other phenomena do not, and describe what life is. Thus, the following ab initio definition can be put forward: LifeTerrra is a genome-containing, self-sustaining chemical dissipative system that maintains its localized level of organization at the expense of producing environmental entropy; that has developed its numerous characteristics through pluripotential Darwinian evolution.

Comments: 12 Pages.

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Submission history

[v1] 2019-01-03 01:50:00

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