There is no Silicon-based Life in the Solar System

Abstract

In this article, silicon is discussed as a possible building block for life within the solar system. Using NASA’s definition of life: ‘chemical system capable of Darwinian evolution’, a narrow description is obtained and analyzed. The possibilities of silicon life are then explored by describing its bonding characteristics, ability to withstand extreme temperatures, and abundance. Titan is investigated as a possible location where silicon-based life would seem possible. Its extremely cold temperatures and lack of liquid water appear to be ideal for silicon-based life to form. After further investigation though, the presence of carbon and rarity of silicon on Titan lead to the planet not being as ideal as first thought. It is also explained that silicon simply does not have the advantages in bonding, chirality, and universal abundance that carbon has. In the end, silicon is ruled out as a possible basis for life in this solar system.