Question

Differentiating Star Systems

Choose the word from the drop-down menu that completes each sentence.
A/An
star system is made of two stars.
A/An
star system is made of no more than a few thousand stars.
A/An
star system is made of more than a million stars.
ANSWER
1-BINARY
2-OPEN CLUSTER
3-GLOBuLAR CLUSTER

Answer 1

A/An binary star system is made of two stars.

A/An open cluster star system is made of no more than a few thousand stars.

A/An global cluster star system is made of more than a million stars.

good luck!