* 1. 6 Em — 172 ± 12. 5 light years — Diameter of Omega Centauri ( one of the largest known globular clusters, perhaps containing over a million stars )< ref > distance × sin ( diameter_angle ), using distance of 5kpc ( 15. 8 ± 1. 1 kly ) and angle 36. 3 ', = 172 ± 12. 5 ly.

* 1. 6 Em — 172 ± 12. 5 light years — Diameter of Omega Centauri ( one of the largest known globular clusters, perhaps containing over a million stars )< ref > distance × sin ( diameter_angle ), using distance of 5 kpc ( 15. 8 ± 1. 1 kly ) and angle 36. 3 ', = 172 ± 12. 5 ly.

0.003 seconds.