Dark matter may not give off any light or radiation, but we might be able to watch it smash into atoms here on Earth. Dark matter makes up 85% of all matter in the Universe, but astronomers have never seen it. The nature of this mysterious — something — remains largely unknown. The mass which we call dark matter does not give off light, heat, radio waves, or any other form of electromagnetic radiation. But, astronomers and physicists know something (and a LOT of it) is out there. Without dark matter, galaxies would tear apart, and clusters of galaxies would…

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