View Full Version : Amazing Astrophotos of Star Clusters

2011-Nov-17, 06:20 PM
A star cluster is a group which can contain up to millions of stars. Star clusters can vary from being loosely bonded (open star clusters) to tightly bonded (globular clusters). Gravitational force keeps these stars together. This makes them one of the most amazing objects in the night sky. Here is a compilation of some [...]

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