Q: What are groups of tens to hundreds of thousands of stars held tightly together by gravity called?


Read this paragraph and choose the correct option from the provided answers:

Television broadcasts also use radio waves. Sounds are encoded with frequency modulation, and pictures are encoded with amplitude modulation. The encoded radio waves are broadcast from a TV tower like the one in Figure below . When the waves are received by television sets, they are decoded and changed back to sounds and pictures.

 Choices:

- elliptical clusters

- elongated clusters

- galaxy

- globular clusters


A:
globular clusters