Could Dark Matter Be a Source of Light In the Universe? - The Daily Galaxy --Great Discoveries Channel

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 ph…

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 w… [+7241 chars]

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