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Galaxies in the Young Universe

The image at left, a small region of the constellation Sculptor, illustrates the extremely small angular size of a distant galaxy cluster in the night sky. At center is a HST image of the farthest cluster of galaxies in the universe, at a distance of 12 billion light-years. At right, an enlargement shows one of the farthest normal galaxies yet detected. The galaxy's spectrum reveals that vigorous star formation is taking place.

Courtesy Space Telescope Science Institute (STScI)

Credits: Duccio Macchetto (European Space Agency/STScI), Mauro Giavalisco (STScI), and NASA

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Copyright, (c) 1995: Board of Trustees, University of Illinois

NCSA. Last modified 11/1/95.