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Wiktionary
big rip

n. (context astronomy English) One hypothetical end of the universe in which it expands at an increasing rate until all matter is torn apart.

Wikipedia
Big Rip

The Big Rip is a cosmological hypothesis about the ultimate fate of the universe, in which the matter of the universe, from stars and galaxies to atoms and subatomic particles, and even spacetime itself, is progressively torn apart by the expansion of the universe at a certain time in the future. According to the hypothesis, first published in 2003, the scale factor of the universe and with it all distances in the universe will become infinite at a finite time in the future. The possibility of sudden singularities and crunch or rip singularities at late times occur only for hypothetical matter with implausible physical properties.

Big Rip (disambiguation)

Big Rip may refer to

  • Big Rip, cosmological hypothesis in which the matter of the universe are progressively torn apart by the expansion of the universe.
  • The Big Rip, is a network of massively multiplayer online games.