Definition of closed universe in English:

closed universe

Line breaks: closed uni|verse

noun

Astronomy
The condition in which there is sufficient matter in the universe to halt the expansion driven by the Big Bang and cause eventual re-collapse.
More example sentences
  • While a flat universe can extend indefinitely in all directions, the closed universe is finite.
  • Wait a few billion years for the newly closed universe to stop its expansion, collapse to a singularity, and - Presto! - give birth to a brand new, energy-rich universe, to do with as you please.
  • Assuming the Big Bang model, a closed universe would eventually collapse back onto itself, if there was enough dark matter.

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