If the average density of the universe is less than the critical density,the universe is open.

Name: If the average density of the universe is less than the critical density,the universe is open.
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Quizplus · Accepted Answer

If the average density of the universe is less than the critical density, it means that the universe will not have enough gravity to stop the expansion and will continue to expand forever. This is characteristic of an open universe.

If the Average Density of the Universe Is Less Than