Over time, this cluster's stars have spread out and are now tens of thousands of light years apart. (newscientist.com)
A typical galaxy shines with the energy from billions of stars and is tens of thousands of light years (or more) across. (astronomynotes.com)
As it is structured event outside of the normal flow of play it makes it easy to partake and a boon for explorers who are often thousands of light years away from civilization! (community.elitedangerous.com)