What contrast exists between what open clusters and globular clusters reveal about the galaxy?

Answer

Open clusters provide a living catalog of stellar nurseries, while globular clusters show the ancient stellar fossil record of the halo

Open clusters are transient groupings tied to current star formation in the arms, whereas globular clusters are ancient relics orbiting in the halo, showing the galaxy's formation history.

What contrast exists between what open clusters and globular clusters reveal about the galaxy?
galaxiesastronomystar formationopen clusters