News of the WeekAstronomy

Hubble Gazes Into the Universe's Uncharted Depths

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Science  12 Mar 2004:
Vol. 303, Issue 5664, pp. 1596
DOI: 10.1126/science.303.5664.1596

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On 9 March, Hubble scientists released the Ultra Deep Field (UDF), the most sensitive photograph of the distant universe ever taken, containing about 10,000 objects--many of which probably existed when the cosmos was less than 1 billion years old.