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Science 16 April 1982:
Vol. 216. no. 4543, pp. 265 - 269
DOI: 10.1126/science.216.4543.265
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Articles

The Most Distant Known Galaxies

Richard G. Kron 1

1 Associate professor at the University of Chicago, Yerkes Observatory, Williams Bay, Wisconsin 53191

Ever since the proposal of the idea of an expanding universe more than 50 years ago, each generation of investigators has found that some current theory could be (marginally) tested by the properties of the most distant known galaxies. There has consequently been a continuing effort to identify very remote objects, especially to confront theories of the evolution of galaxies (since galaxies are seen as they were at prior epochs) and to confront cosmological theories (which make predictions about the overall dynamics of the expansion of the universe). These theories have yet to be definitively tested, but a new generation of optical telescopes and detectors provides hope for significant progress during this decade.

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