Astronomy
The Dynamics of Globular Clusters and Their Stellar Populations
Quick fact
Globular clusters can contain up to a million stars in a sphere only about 100 light-years across — so dense that stars can actually collide.
Why this is interesting
Have you ever wondered why globular clusters are so spherical and packed with stars? These ancient systems hold secrets of the early universe, and their dynamics are key to unraveling them.