can someone tell me what is dark matter?
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Dark matter is a type of matter distinct from baryonic matter (ordinary matter such as protons and neutrons), neutrinos and dark energy. Dark matter is a purely hypothetical concept; its existence would however, explain a number mysterious astronomical observations.
bluepaw22teja:
thank u but can u give me the same answer in a more simpler way. 7th graders should understand it
thanx
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