Temperature
An Astronomer is a scientist who studies the stars and planets.
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).
An Astronomer.
Sweety! there are a millions of stars in the whole universe and of course they have their own groups but they are named by the scientist who watch and observed them everyday so it's depends on the scientist what named they be and it's not easy to just name them they have some marks and qualification in order for them to get the right name
astronomer
a group of stars is galled a constellation
The group is known as a constellation.
An astronomer.
astronomer
spectroscope
Telescope