lukedobson84 lukedobson84
  • 25-09-2017
  • Biology
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what is dark matter and why are scientists looking for it?

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4jellybeans
4jellybeans 4jellybeans
  • 25-09-2017
Dark matter is a hypothetical type of matter distinct from baryonic matter (ordinary matter such as protons and neutrons), neutrinos and dark energy. Dark matter has never been directly observed; however, its existence would explain a number of otherwise puzzling astronomical observations.[
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