Which of these accurately characterizes the current understanding of the expansion of the universe?
A) The universe is expanding too slowly to overcome its mutual gravitational attraction, and thus it will eventually stop expanding and eventually collapse.
B) The universe is expanding at exactly its escape speed. Thus it will continue to slow forever and stop at an infinite time in the future.
C) The universe is expanding at a rate greater than its escape speed. Although the expansion is slowing down, it will continue to expand forever without ever stopping.
D) None of these are correct.

Question

Quizplus · Accepted Answer

The current understanding, based on observations such as those of the cosmic microwave background radiation and the distribution of galaxies, suggests that the universe's expansion is accelerating due to dark energy. None of the provided options accurately describe this scenario.

Which of These Accurately Characterizes the Current Understanding of the Expansion