WILL GIVE BRAINLIEST!!!!!!!!!!!!!!!!!!!!!
An unlabeled hierarchical diagram of various astronomical bodies is shown below. The labels A, B, C, and D can be used to represent the Milky Way, universe, planets, clusters, and stars.

Part 1: Which four astronomical bodies would you choose to represent the four labels in the diagram?

Part 2: Justify your choice based on the hierarchical relationships in astronomical bodies