Virial Theorem

Globular Cluster Evaporation

• cluster velocity distribution example from M15 (source)
• star dynamics simulation movies here and here
  awesome orbit applet and discussion
• interactions
• blue stragglers

Globular Clusters Elsehwere

• in spiral galaxies: M31
• in elliptical galaxies: M87
• intracluster space: Virgo
• the most isolated cluster to date