The answer is uni of the stronger accent
groups of stars
An appositive phrase follows a noun and defines it using a noun. The word constellations is a noun. It is defined as groups of stars. Usually, an appositive phrase is set off by commas. Another example of an appositive phrase is: My dog, a yellow lab, likes to play ball. The appositive phrase is "a yellow lab". The phrase describes the noun - dog.
The attributes which make any type of government unique are it's characteristic. As a government form, some characteristics of a welfare state are a benefit and some are not.