a group of stars that are arranged such that they form some discernible pattern, and that are named either for the pattern/form or for a mythological figure they can be associated with;
e.g. Each night, her grandfather would point out a different constellation in the sky.
(noun)
a cluster or collection of related people, things, or qualities;
e.g. Although the patients did not show the same constellation of symptoms, they still suffer from the same disease.