Science, asked by Anonymous, 2 months ago

what is dark matter?​

Answers

Answered by itztaesprincessliza
1

Answer:

Dark matter is believed to be a 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.

Answered by Anonymous
3

Explanation:

Dark matter can refer to any substance which interacts predominantly via gravity with visible matter (e.g., stars and planets). Hence in principle it need not be composed of a new type of fundamental particle but could, at least in part, be made up of standard baryonic matter, such as protons or neutrons.

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