How about Galaxy.
Constellation or clusters
When billion of stars are in a concentrated dense cloud it is called a galaxy.
A large group of stars in space is called a galaxy. These galaxies can consist of billions or even trillions of stars, along with various other astronomical objects like planets, gas, and dust. Our own galaxy is called the Milky Way.
It's called a constellation.
a group of stars is galled a constellation
The same as on Earth - Stars
The group is known as a constellation.
galaxy
Stars are probably called stars because of some Latin/Greek word root that I don't know about and Outer Space is called Outer Space because its outer (Outside the world) and is just empty space. Hope I helped.
it is called a nebula
I think you are referring to a cluster of stars.
The group of stars is called Constellation. I think it's cluster.
space galaxy and group of stars