Astronomy
The Formation of Globular Clusters and Their Stellar Populations
Quick fact
Globular clusters are among the oldest objects in the universe, with many dating back over 12 billion years, and they contain the most ancient stars we can observe in detail.
Why this is interesting
You've probably seen photos of dense, ball-shaped swarms of stars orbiting our galaxy. But how did these ancient clusters form, and why do they hold some of the oldest stars in the universe?