Question

what is dark matter​

Answer 1

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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Answer 2

Explanation:

dark matters is a form of matter though account of approximately 85 % of matter in universe and about a quarter of its total density.

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