| 释义 |
Noun: closed universe- (cosmology) universe which is spatially closed with positive curvature, as when there is a larger matter density than that required for large scale spatial flatness. A closed universe containing only conventional matter will recollapse according to general relativity, however in the presence of dark energy (cosmological constant) a closed universe can expand for ever
Derived forms: closed universes Type of: cosmos, creation, existence, macrocosm, universe, world Encyclopedia: Closed universe |