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what is dark matter?
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cause your answer was totally wrong.
what is dark matter?
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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. ... Most dark matter is thought to be non-baryonic in nature; it may be composed of some as-yet undiscovered subatomic particles.
Answer:
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.