Mondo Knows Facts
Dark matter accounts for 85 percent of all matter in the universe
Invisible matter exerts gravitational forces that hold galaxies together
Ordinary matter that makes up stars, planets, gas clouds and living organisms constitutes less than 15 percent of all matter in the cosmos. The remaining 85 percent consists of dark matter, a mysterious substance that emits no electromagnetic radiation and is detectable only through its gravitational pull.
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Tags: dark matter, universe, cosmology
Dark matter accounts for 85 percent of all matter in the universe: the short answers
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- Invisible matter exerts gravitational forces that hold galaxies together. The figure is taken from ESA, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
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