Star clusters There’s more than one way to make a Blue Straggler October 29, 1997 · NASA Zoom to full resolution Share Original on NASA ↗ More star clustersBlue Stragglers in Globular Cluster 47 TucanaeOctober 29, 1997Rejuvenated Stars, called “Blue Stragglers,” in Globular Cluster 47 Tucanae (left)October 29, 199747 TucanaeOctober 29, 1997Globular Cluster 47 TucanaeOctober 29, 1997HST image of an old globular star cluster in galaxy M31October 21, 1997Central region of our HST image of NGC 7252October 21, 1997Central region of HST image of NGC 3921October 21, 1997Globular Cluster in the Andromeda GalaxyApril 24, 1996 ← Newer: Globular Cluster 47 TucanaeOlder: Colliding Galaxies NGC 4038 and NGC 4039 →