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Science 7 June 1996:
Vol. 272. no. 5267, pp. 1434 - 1436
DOI: 10.1126/science.272.5267.1434
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Special News Report

Ann Finkbeiner

Until recently, astronomers had little idea how galaxies evolved from the featureless gas of the early universe to the stately spirals and ellipticals of today. But new telescopes and spectrographs have now allowed several large teams to study distant galaxies in numbers large enough to provide snapshots of their evolution. The resulting history has gaps and loose ends, but astronomers now believe that in the very distant, early universe, they have spotted the ancient cores of present-day galaxies. In the middle distance, they see lumpy galaxies, brilliant with newborn stars, that may be galactic adolescents. For galleries of images, see: http://www.ifa.hawaii.edu/~cowie/hdf.html; http://www.astro.utoronto.ca/~lilly/CFRS; and http://www.stsci.edu/ftp/observer/hdf/hdf.html.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)