Explain why H-R diagrams look different for star clusters of different ages.?

How does the location of the main-sequence turnoff point tell us the age of the star cluster?

physics and astronomy

1 Answer

Relevance
  • 1 decade ago
    Favorite Answer

    If the cluster is very old or very young, more stars in it are off the main sequence (that contains normal middle-aged starts)

    The older the cluster the fainter the main sequence turn-off

    • Login to reply the answers
Still have questions? Get your answers by asking now.