closed universe

Noun
  1. (cosmology) a universe that is spatially closed and in which there is sufficient matter to halt the expansion that began with the big bang;
    The visible matter is only 10 percent of the matter required for closure but there may be large amounts of dark matter (synset 109269977)
    referred to in: cosmogeny, cosmogony, cosmology - the branch of astrophysics that studies the origin and evolution and structure of the universe
    is a type of: cosmos, creation, existence, macrocosm, universe, world - everything that exists anywhere

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