1) Galaxy supercluster
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https://www.crosswordclues.com/clue/supercluster
Superclusters are large groups of smaller galaxy groups and galaxy clusters and are among the largest known structures of the cosmos. ==Existence== The existence of superclusters indicates that the galaxies in our Universe are not uniformly distributed; most of them are drawn together in groups and clusters, with groups containing up to some dozen...
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http://en.wikipedia.org/wiki/Supercluster
[genetic] Most usage of supercluster in population genetics research articles applies to proposed large groups of human mtDNA haplotype lineages, found by cluster analysis, that are thought to stem from a single distant most recent common ancestor, on a time scale of tens of thousands of years. ==Other usage== Usage of supercluster for geog...
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http://en.wikipedia.org/wiki/Supercluster_(genetic)
Huge congregation of galaxy clusters that span hundreds and millions of light years away.
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http://planetfacts.org/space-terms/
(from the article `Cosmos`) In 1932 Harlow Shapley and Adelaide Ames introduced a catalog that showed the distributions of galaxies brighter than 13th magnitude to be quite ... ...clusters are not evenly spaced in the sky; instead, they are arranged in a way that suggests a certain amount of organization. Clusters are ... [2 related ...
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http://www.britannica.com/eb/a-z/s/187
A cluster of clusters of galaxies. Superclusters range in size from 100 million to at least 300 million light-years across and typically contain tens of thousands of galaxies. They are usually embedded in large sheets and walls of galaxies surrounding immense voids in which very few galaxies exist. ...
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http://www.daviddarling.info/encyclopedia/S/supercluster.html
supercluster, superclusters An association of clusters of galaxies. Superclusters are large assemblages of smaller galaxy groups and clusters, and are among the largest structures of the cosmos. The existence of superclusters indicates that the galaxies in our Universe are not uniformly distributed; most of them are grouped together in groups and ...
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http://www.wordinfo.info/words/index/info/view_unit/2069/5
A cluster of clusters of galaxies which stretches for hundreds of millions of light years. So far about fifty have been observationally identified. See also: Galaxy.
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https://www.encyclo.co.uk/local/20687
a cluster of open clusters.
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https://www.infoplease.com/dictionary/supercluster
No exact match found.
