| NOUN | object | closed universe | (cosmology) a universe that is spatially closed and in which there is sufficient matter to halt the expansion that began with the big bang |
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| Meaning | (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. | |
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| Category | cosmology, cosmogony, cosmogeny | The branch of astrophysics that studies the origin and evolution and structure of the universe |
| Broader | universe, existence, creation, world, cosmos, macrocosm | Everything that exists anywhere |
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