In which of the following universe scenarios will the present universe recollapse at some time in the future?
A)a Newtonian universe
B)a marginally bounded universe
C)an unbounded universe
D)a bounded universe

Question

Quizplus · Accepted Answer

Only a bounded universe is susceptible to recollapse. In a Newtonian universe, the universe will continue to expand forever. In a marginally bounded universe, the expansion will slow down but never turn around. In an unbounded universe, the expansion will continue forever.

In Which of the Following Universe Scenarios Will the Present