The religion's adherents, known as Astronists, believe that it is humanity’s solemn duty and existential purpose to explore The Cosmos both physically and philosophically as part of an eschatological system known as transcensionism. Further to this, they believe that there exists life on other planets in The Cosmos and that a person’s belief must be based on freedom rather than submission to a higher power, thus diverging from traditional theologies. 

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Astronism is based on the life and corpus of beliefs and concepts of Cometan as codified in the Omnidoxy, an extensive philosophical treatise outlining the entire Astronist religion. The Astronist faith is essentially based on the notion that humanity is not presently fulfilling its true existential purpose which is to explore the countless celestial bodies of the universe, which are collectively known as cosmic progeny. 

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It is this eschatological belief about humanity’s true destiny, known as transcensionism, which influenced the cosmocentric theme of the religion that is itself centred on the notion that The Cosmos must become the central focus of humanity, especially intellectually and spiritually.

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Originally and still officially known as Millettism, the religion has emerged in a time of social change and technological advancement in which vast amounts of people could be reached through modern means of marketing. Cometan spent many years contemplating and planning how his new religion would be able to fund itself and become recognised as an established belief system.