a group of stars is galled a constellation
I think you are referring to a cluster of stars.
Star cluster or Stellar cluster.
It can be called a star cluster, an open cluster or an asterism.
The group of stars is called Constellation. I think it's cluster.
The proper term for a group of stars is "asterism". They can also be known as a "cluster" and/or a "constellation".
A spherical cluster.
Globular Cluster.
Globular Cluster.
I think you are describing a "globular cluster", which are associated with older stars by most astronomers.
The group of stars is called Constellation. I think it's cluster.
A collective noun for a group of stars is a cluster of stars (small group) and a galaxy of stars (large group).
Constellation or "asterism". The difference is that "constellations" are officially recognized by the International Astronomical Union, while an "asterism" is any other pattern or grouping of stars.