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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

Ephemeralism, also referred to as Astronic mortalism, or sublunism, is a post-omnidoxical thanatological belief within the Astronist tradition, or Astronism's primary view on the topic of death. It upholds the notion that all that does exist and holds its inception within The Cosmos is transient, or naturally impermanent due to the effects of Cosmic Limitation.

Therefore, it is our nature as cosmic beings to die, or to be mortal, or to be of a transient existence. The ephemeralist view rejects the notion of immortality due to the fact that immortality pertains to a type of temporal and existential infiniteness which defies the principle of our limited natures. Hence, in Astronism, death is considered a natural part of life and is not something to be feared, but simply accepted for what it is; the conclusion to our individual transient existence. For this reason, there is no sense of mourning with regards to death in Astronism, but instead, a feeling of rejoice for those whom have transformed into The Cosmos.

In the ephemeralist tradition, those whom have passed away are considered "to become One with The Cosmos" or "to transform into The Cosmos", as it is believed that upon our deaths, our entire selves become The Cosmos and cease to exist as composite entities.

Ephemeralism is a belief that is heavily influenced by the naturalist school of thought of Millettarian eschatology and can be considered an extension to the beliefs of naturalism.

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