In a scenario in which dark energy is changing significantly over time, which of the following outcomes are possible?
A) Big Crunch and Big Rip
B) Big Crunch and constant expansion
C) Big Rip and Big Freeze
D) Big Crunch and Big Freeze
E) Big Chill and Big Freeze

Question

Quizplus · Accepted Answer

The Big Crunch and Big Rip are both possible outcomes in a scenario in which dark energy is changing significantly over time. The Big Crunch is a scenario in which the universe collapses back in on itself, while the Big Rip is a scenario in which the universe expands so rapidly that all matter is torn apart.

In a Scenario in Which Dark Energy Is Changing Significantly