Galaxy cluster

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Composite image o five galaxies clustered thegither[1]

A galaxy cluster, or cluster o galaxies, is a structur that conseests o onywhaur frae hunders tae thoosands o galaxies that are boond thegither bi gravity[1] wi teepical masses rangin frae 1014–1015 solar masses.

References[eedit | eedit soorce]

  1. 1.0 1.1 "Hubble Pinpoints Furthest Protocluster of Galaxies Ever Seen". ESA/Hubble Press Release. Retrieved 13 January 2012.