Question

what is Dark Matter ???​

Answer 1

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Dark matter is a form of matter thought to account for approximately 85% of the matter in the universe and about a quarter of its total mass–energy density or about 2.241×10⁻²⁷ kg/m³.

Answer 2

Answer:

Dark Matter is a form of matter through to account for approximately 85% of the Matter in the universe about a quarter of its total mass-energy density or about 2.241×10^-27 kg/m³.