observable universe

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English[edit]

Noun[edit]

observable universe (plural observable universes)

  1. (astronomy) The extent of a universe within the cosmological horizon of an observer.
    Synonym: known universe

Usage notes[edit]

  • Typically the observable universe refers to the observable portion of our universe, relative to an observer on Earth.

Hypernyms[edit]

Translations[edit]

Translations

Further reading[edit]

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