Galaxy Cluster Spotted in Early Universe

Astronomers discover a vast collection of young galaxies from the early universe.Astronomers have discovered a collection of young galaxies, stretching more than 489 million by 244 million light-years whose light has taken 12 billion years to reach Earth, one of the most massive structures known at that distance - See more at: http://www.skyandtelescope.com/astronomy-news/galaxy-cluster-spotted-in-early-universe/?

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