Stars can occur in giant star balls containing several million stars; they are called "globular clusters".
Globular clusters are very old and it is not yet known how they were formed. A large number of such globular clusters are in orbit around the centre of our galaxy.
John Reichelt is a scientist with a PhD in Microbiology and an interest in astrophotography as a hobby.
- Subject Matter: Astronomy
- Created: 2015
- Inventory Number: 127
- Collections: John Reichelt Astro Photography