Unverified50% confidenceFactExact time

In the total matter-energy composition of the universe, dark matter accounts for approximately 27% and ordinary baryonic matter for approximately 5%.

1

Sources

50%

Confidence

Long-term

Relevance

9/24/2026

First Seen

Sources

Dark Matter Interacts Only Through Gravity? Physics' Worst-Case Nightmare

Related Entities

Dark Matterconcept 重子物质concept

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