The sum of the baryonic and non-baryonic matter is 27.9% and thus equal to the critical density.

Name: The sum of the baryonic and non-baryonic matter is 27.9% and thus equal to the critical density.
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Quizplus · Accepted Answer

The sum of baryonic and non-baryonic matter constitutes about 27% of the universe's total mass/energy content, not equal to the critical density. The critical density includes dark energy, which makes up about 68% of the universe, leading to a total of roughly 95% when combined with matter.

The Sum of the Baryonic and Non-Baryonic Matter Is 27