Actually, dark matter could make photons. Anti-dark-matter, if it exists, could annihilate and produce photons and radiation. http://www.space.com/9302-dark-ma

Actually, dark matter could make photons. Anti-dark-matter, if it exists, could annihilate and produce photons and radiation. http://www.space.com/9302-dark-matter-stars-solve-cosmic-mystery.html http://www.space.com/9302-dark-matter-stars-solve-cosmic-mys...