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News Release 17 of 63

January 10, 2012 11:00 AM (EST)

News Release Number: STScI-2012-05

Hubble Pinpoints Farthest Protocluster of Galaxies Ever Seen

An American Astronomical Society Meeting Release

January 10, 2012: NASA's Hubble Space Telescope has uncovered a cluster of galaxies in the initial stages of construction — the most distant such grouping ever observed in the early universe.

In a random sky survey made in near-infrared light, Hubble spied five tiny galaxies clustered together 13.1 billion light-years away. They are among the brightest galaxies at that epoch and very young, existing just 600 million years after the universe's birth in the big bang.

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Credit: NASA, ESA, M. Trenti (University of Colorado, Boulder, and University of Cambridge, UK), L. Bradley (STScI), and the BoRG team