 what is dark matter
 Dark matter is an hypothetical form of matter, which does not interact with the electromagnetic field. It is thought to account for approximately 85% of the matter in the known universe, if it does exist.
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<|USER|> what is dark matter
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 Dark matter is an hypothetical form of matter, which does not interact with the electromagnetic field. It is thought to account for approximately 85% of the matter in the known universe, if it does exist.
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