Question

$What \: \: is \: \: dark \: \: matter?\ \textless \ br /\ \textgreater \ \ \textless \ br /\ \textgreater$
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Answer 1

Answer:

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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.

Answer 2

Answer:

$\huge\fcolorbox {yellow}{red}{Answer}$

Dark matter is composed of particles that do not absorb, reflect, or emit light, so they cannot be detected by observing electromagnetic radiation. Dark matter is material that cannot be seen directly. We know that dark matter exists because of the effect it has on objects that we can observe directly.

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