• Charles A. CardonaIII
Part of the Astronomer's Pocket Field Guide book series (ASTROPOC)


Star clusters are collections of stars that have a shared gravitational bond. They range from loose aggregations of a few stars to mighty spherical-shaped globular clusters containing a million or more stars. Obviously the more stars and the more tightly packed the greater the gravitational attraction between them.


Star Formation Common Origin Ancient Time Open Cluster Globular Cluster 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  1. 1.CalvertonUSA

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