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globular cluster

globular cluster Near-spherical cluster of very old stars in the halo of our galaxy and others. Globular clusters contain anything from 100,000 to several million stars, concentrated so tightly near the centre that they cannot be separately distinguished by ground-based telescopes.

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"globular cluster." World Encyclopedia. . Encyclopedia.com. 25 Jul. 2017 <http://www.encyclopedia.com>.

"globular cluster." World Encyclopedia. . Encyclopedia.com. (July 25, 2017). http://www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/globular-cluster

"globular cluster." World Encyclopedia. . Retrieved July 25, 2017 from Encyclopedia.com: http://www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/globular-cluster

globular cluster

globular cluster: see star cluster.

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"globular cluster." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 25 Jul. 2017 <http://www.encyclopedia.com>.

"globular cluster." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (July 25, 2017). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/globular-cluster

"globular cluster." The Columbia Encyclopedia, 6th ed.. . Retrieved July 25, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/globular-cluster