Question

what is dark matter?​

Answer 1

Answer:

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Answer 2

Answer:

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=> Dark matter is a mysterious non-luminous substance making up the vast majority of matter in the universe.

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. Scientists believe that dark matter may account for the unexplained motions of stars within galaxies.