Baffling quasar alignment hints at cosmic strings

Though there is no obvious reason to think these vectors should be oriented in a special way from one quasar to the next, Hutsemekers's team found that the orientations were not random. If they took any two adjacent quasars, the polarisation vectors pointed in much the same direction.

Baffling quasar alignment hints at cosmic strings - space - 07 May 2010 - New Scientist