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This article is about a non-fiction entity related to the Astronist belief system or the Astronic tradition.
Any article relating to a fictional entity will be clearly marked as being part of the Spacefaring World

Part of a series on
Millettarian eschatology
Astronic necrology · Astronic thanatology · Incorporeology · Mortology
Main concepts
Ephemeralism · Become One with The Cosmos · Cosmosis · Composity · Destination of the unastronised · Metempsychosis · Redemption
Naturalist school
Theistic naturalism · Atheistic naturalism · Non-theistic naturalism · Mind conservation
Astronic supernaturalism and Transtellationist school


Transtellation · Anthropotranstellation · Theriotranstellation · Protranstellation · Exotranstellation · Intratranstellation

Astrincarnation · Replanetation · Astra · Cosmolocation · Astruction · Astrition · Astrasis · Juvenile vision · Deathbed cosmosis · Anti-anthropopathism · Astral projection

Transcensionist school
Atheistic transcensionism · Theistic transcensionism · Non-theistic transcensionism · Legacy theology · Contributionism
Transhumanist school
Cryogenicism · Solipsist eschatology · Reproductionism · Oneirism
Related topics
Rhemnology · Death in Astronism · Afterlife in Astronism · Destiny in Astronism · Juvenile thanatology · Child philosophy · Child religion

In the eschatology of Astronism, astrothanasia, belief in which is referred to as astrothanism, is the eschatological principle expounded as a core element of the Astronist religion holding that the astronomical world is in some way involved in the affairs of death and/or afterlife.

Astrothanism asserts this notion, but itself does not go further to denote any other specific beliefs; it only encompasses this general principle of the involvement of the astronomical world in some way as being part of eschatological affairs. Astrothanasia as a theme of Astronism was developed but was not named nor directly referred to in the Omnidoxy, although throughout the founding text, inferences to such a principle are numerous.

Instead, the term itself was coined and its notion were explicitly outlined post-omnidoxically by Cometan. Astrothanasia is considered one of the defining aspects of Astronism from all other religions. Astrothanasia can be considered as the foundation of Astronist eschatology and it is upon this principle that all other Astronist eschatological beliefs stand.