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open cluster

open cluster (galactic cluster) Group of young stars in the spiral arms of our galaxy, containing from a few tens of stars to a few thousand. They are usually several light-years across. One example is the Pleiades.

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"open cluster." World Encyclopedia. . Encyclopedia.com. 18 Aug. 2017 <http://www.encyclopedia.com>.

"open cluster." World Encyclopedia. . Encyclopedia.com. (August 18, 2017). http://www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/open-cluster

"open cluster." World Encyclopedia. . Retrieved August 18, 2017 from Encyclopedia.com: http://www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/open-cluster

open cluster

open cluster, see star cluster.

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"open cluster." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 18 Aug. 2017 <http://www.encyclopedia.com>.

"open cluster." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (August 18, 2017). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/open-cluster

"open cluster." The Columbia Encyclopedia, 6th ed.. . Retrieved August 18, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/open-cluster