... Observing . ... Astronomers observe distant galaxy powered by primordial cosmic fuel . ... Astronomers have detected cold streams of primordial hydrogen, vestigial matter left over from the Big Bang, fueling a distant star-forming galaxy in the early universe. ... To make this discovery, the astronomers made use of a cosmic coincidence a bright distant quasar acting as a cosmic lighthouse illuminates the gas flow from behind. ... Most distant galaxy: Hubble breaks cosmic distance record . ...