Astronomy
Pie Chart of the Universe's Composition (Mass-Energy)
Last reviewed on 2026-05-22.
Astronomy — verifiable data, editable template
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The total mass-energy content of the observable universe is dominated by dark energy, with dark matter second and ordinary (baryonic) matter making up less than 5%. Measurements from the Planck satellite.
The data
- Dark energy — 68.3 %
- Dark matter — 26.8 %
- Ordinary matter — 4.9 %
Source
NASA / ESA Planck 2018 cosmological results.
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