Question

which type of star cluster forms from tightly packed groups of older stars?
○ binary
○ eclipse
○ globular
○ open

Explanation:

Binary refers to a system of two stars orbiting each other, not a cluster. An eclipse is an astronomical event where one celestial body blocks another, not a star cluster. Open clusters are loose groups of young stars. Globular clusters are dense, tightly packed collections of very old stars.

Answer:

globular