A large grouping of stars in space is commonly referred to as the galaxy. This can also be called the solar system since planets are also types of stars.
constellation
A galaxy
A collective noun for a group of stars is a cluster of stars (small group) and a galaxy of stars (large group).
it is a nebula
universe
The sun (or just stars in general)
a group of the stars
A collective noun for a group of stars is a cluster of stars (small group) and a galaxy of stars (large group).
galaxy
How about Galaxy. Constellation or clusters
Supernovas are the explosions of large stars in space.
space galaxy and group of stars
a galaxy
A galaxy.
it is a nebula
When billion of stars are in a concentrated dense cloud it is called a galaxy.
A large group of stars. eg. our milky way, andromeda.
Hubble Space Telescope
If the group is large enough, "galaxy" or "dwarf galaxy."