>>14148164When they arrived in the cluster they already had FTL ships so they colonized several dozen planets at once. It's now a confederation of planets seeded by one progenitor race. The 7 blue giants in the cluster are clearly visible for a thousand light years in all directions so whatever people call these stars, is what they call these ayliums.
(inb4 the failed astronomy x-tard shows up: The blue giants do NOT make the cluster uninhabitable. For 99% of the planets in the cluster they just have 7 slightly brighter stars in their night sky.)
