NASA / ESA / STSCI / R. ELLIS (CALTECH), AND THE UDF 2012 TEAM / SCIENCE PHOTO LIBRARY NASA / ESA / STSCI / R. ELLIS (CALTECH), AND THE UDF 2012 TEAM / SCIENCE PHOTO LIBRARY
Hubble Ultra Deep Field 2012. Hubble Space Telescope (HST) infrared image of distant galaxies in a region of the sky in the constellation of Fornax. This region was chosen for its lack of foreground stars, enabling long-exposure times for observations of distant galaxies billions of years distant, showing their appearance only a few million years after the origin of the universe. Image data obtained with the HST's Wide Field Camera 3 (WFC3) instrument, and published in 2012.
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