Does dark matter consist of more than one particle ?
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Dark matter is EVERYWHERE
Planets, stars, asteroids, galaxies – the things that we can actually see – constitute less than 5% of the total universe. So what makes up the rest? Therein lies the mystery. Dark matter is the name we give to all the mass in the universe that remains invisible, and there's a whole lot of it.
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Dark matter is a hypothetical form of matter thought to account for approximately 85% of the matter in the universe and about 27% of its total mass–energy density or about 2.241×10−27 kg/m3. Most dark matter is thought to be non-baryonic in nature; it may be composed of some as-yet undiscovered subatomic particles.
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