Omniverse

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In physical cosmology, omniverse is a term used to differentiate a limited number of universes from all existent universes.

Universe: The inside description of a context that is relative in size/structure (attributes/modes) to the known universe.

Multiverse: The part of infinity that directly joins a given universe with all possible configurations of that universe.

Omniverse: Infinity, all possible attributes and modes are in play, multiverses are categorized by the attributes/modes active in its child universes.

This can be visualized by thinking of this as a tree structure: the omniverse is the trunk, the multiverse is branch, and the universe is a secondary branch.

Alternatively, the omniverse is the forest, a multiverse is a tree in the forest, a universe is a branch on that tree, and all further branches are further subset horizons within that universe.

Obviously it goes without saying that this model itself must be limited by a horizon. Thus, it is at best incomplete.

End of infinity It is possible that even if each multiverse had completely different physics, and the amount of possibilities went off in even the most unlikely directions, there would be a limit and an end to the amount of possibilities (which would be clasified as the end of the omniverse, and an end of infinity).

This necessity of this term comes from the current theories and speculations about the "Universe" splintering into: universe, multiverse, many-worlds interpretation, M-theory, Parallel universe, Possible worlds and so on, some of which are nonexistent outside the realm of science fiction. So a term that represents "all universes" has become necessary. Etymologically, "Universe" might be translated as "all facing", i.e., confronting or addressing everything. Traditionally, the term is meant to refer to the entirety of reality. Omni- is a prefix meaning "all", making the omniverse encompass all possible universes, unlike the multiverse that can encompass any two or more universes. Recently, the idea of a multiverse has had limited although notable scientific appeal, and widespread popular appeal, in spite of the inherent etymological contradiction that it introduces.

The term "omniverse" is believed to have been created by Mark Gruenwald, and has been popularized by the composer-writer Sun Ra. The term has recently been used ina verse within the children-aimed song "One everything" by music group They Might Be Giants in their album Here Come the 123s. The verse states: "We share the same omniverse, Please clean your room, We share the same omniverse, And even though you are over here and not there, There's just one everywhere"

The name Omniverse was used for an early-1980s semi-professional comic book fan magazine which explored the ramifications of the DC Comics and Marvel Comics combined Multiverses (see Multiverse (DC Comics), Multiverse (Marvel Comics)).