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Hubble eXtreme Deep Field

Hubble eXtreme Deep Field
Hubble eXtreme Deep Field The Hubble eXtreme Deep Field represents over fifty days’ worth of observations of a single portion of the sky with a cumulative exposure time of about 2 million seconds. The faintest objects in this image are galaxies about 13.2 billion light-years away. NASA; ESA; G. Illingworth, D. Magee, and P. Oesch, University of California, Santa Cruz; R. Bouwens, Leiden University; and the HUDF09 Team.