Globular clusters are among the oldest objects in the galaxy. Globular Clusters are made up of hundreds of thousands of stars and are densely packed at their centers. The most massive stars in these clusters are less massive than our Sun! All stars more massive than this have run out of fuel and faded away. |
![]() |
![]() |
Can you find the Main Sequence in this H-R Diagram?
What would you estimate the age of this cluster? |