Definitions
There is 1 meaning of the phrase
Closed Universe.
Closed Universe - as a noun
(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
Example Sentences
"Scientists believe that our universe may be a closed universe that will eventually collapse upon itself."
"The concept of a closed universe suggests that it has a finite size and is curved like a sphere."
"In a closed universe, if you travel in one direction, you will eventually end up back where you started."
"The closed universe theory proposes that the expansion of the universe will eventually slow down and reverse."
"Some physicists argue that a closed universe implies the existence of multiple dimensions."
