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Hubble's First Frontier Field Finds Thousands of Unseen, Faraway Galaxies

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By HubbleSite
in Astronomy and Stars

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With the help of a natural "zoom lens" in space, Hubble astronomers are looking farther than anyone has before. The ambitious, collaborative, multiyear program among NASA's Great Observatories is called The Frontier Fields. The first of a set of unprecedented, super-deep views of the universe contain images of some of the intrinsically faintest and youngest galaxies ever detected. This is just the first of several primary target fields in the program. The immense gravity in this foreground galaxy cluster, Abell 2744, warps space to brighten and magnify images of far-more-distant background galaxies as they looked over 12 billion years ago, not long after the big bang. The Hubble exposure reveals nearly 3,000 of these background galaxies interleaved with images of hundreds of foreground galaxies in the cluster.

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