Or if you think "bunch" isn't formal enough, just call it a cluster like you do for stars. Am I the only one who wants to kick somebody in the nads every time the topic of different names for groups of things comes up? We've got a few that are entrenched, like flock, school, and pride; but we don't need any more of that crap.
It seems obvious.
What Do You Call a Bunch of Black Holes?
The Trump family.
Downmod away!
Or if you think "bunch" isn't formal enough, just call it a cluster like you do for stars. Am I the only one who wants to kick somebody in the nads every time the topic of different names for groups of things comes up? We've got a few that are entrenched, like flock, school, and pride; but we don't need any more of that crap.