Which of these would typically be among the brightest stars in an ancient globular cluster?

Question

Quizplus · Accepted Answer

Globular clusters are old and contain stars that are typically older and cooler. Among the options given, K3 stars are cooler and fit the profile of stars typically found in ancient globular clusters. Brighter, hotter stars like O and B types have shorter lifespans and would not typically be found in such old clusters.

Which of These Would Typically Be Among the Brightest Stars