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supercluster
(redirected from Galactic supercluster)

    Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
supercluster [′sü·pər‚kləs·tər]
(astronomy)
An association of galaxy clusters and groups, typically composed of a few rich clusters and many poorer groups and isolated galaxies.
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A map of the gamma-ray bursts shows that they congregate along the plane of a galactic supercluster that includes the Milky Way, indicating that the bursts lie within 325 million light-years of Earth.
Some gamma-ray bursts may occur nearby. (Science News of the week) by Cowen, R. / Science News
Compared with some galactic superclusters, "it's not a particularly dense structure," Dressler says.
The source of a great attraction by Peterson, Ivars / Science News
 
 
 
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