“Missing” — Could Dark Matter Be a Source of Light In the Universe?

  All the light in the observable universe provides about as much illumination as a 60-watt bulb seen from 2.5 miles away. And all the energy ever radiated by all the stars that ever existed is still with us, filling the universe with a sort of fog, a sea of photons known as the extragalactic … Continue reading “Missing” — Could Dark Matter Be a Source of Light In the Universe?