Which is a type of star system?

A. dim stars

B. galaxies

C. wobbling stars

D. globular clusters

D) Globular Clusters

Explanation:

A star system or stellar system is a small number of stars which orbit each other, bound by gravitational attraction. A large number of stars bound by gravitation is generally called a star cluster but, broadly speaking, they are also star systems. A star cluster is a group of stars that share a common origin and are gravitationally bound for some length of time. The two basic categories of stellar clusters are open clusters, also known as galactic clusters, and globular clusters.