Gary Imm

GaryI

About

A backyard amateur astrophotographer enjoying retirement with my wife on beautiful Lake Livingston in Onalaska, Texas, about 90 minutes north of Houston. I have published 4 books on Amazon under the Imm Astrophotography Series.

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Globular Clusters A collection by Gary Imm

A globular star cluster is a large grouping of stars that are gravitationally drawn together into a more concentrated spherical shape than open star clusters. About 150 globular star clusters have been identified to date. A cluster can contain upwards of a million stars. It forms a regular sphere with the density of stars increasing towards the center. Some clusters are predominately comprised of bluish stars which indicate that they are younger than those which have a larger proportion of reddish stars.

Images in this collection Parent collection:  Stars and Star Clusters