KnowraCygnus X-1Linked fromLinked fromThe 11 pages that link to Cygnus X-1, each with the reason it gives.All 11Broader topic 8Related 2Compared with 1Massive starRelated: The system links the evolution of a massive star to a black-hole remnant.DenebRelated: This famous Cygnus system provides a nearby landmark in the constellation Deneb anchors.