Question

what are the two main types of star clusters?
○ binary and wobbling
○ eclipsing and binary
○ globular and eclipsing
○ open and globular

Explanation:

Star clusters are groups of stars. Open clusters are loose and contain younger stars. Globular clusters are dense and have older stars. Binary, eclipsing, and wobbling refer to types of binary star systems, not star clusters.

Answer:

open and globular