New studies of distant galaxies using infrared detectors as well as sharper images in visible light may help researchers determine how galaxies assemble and whether the universe will end in a Big Crunch or expand forever.

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Roberto Abraham
University of Cambridge
Institute of Astronomy
Madingley Road
Cambridge CB3 0HA
United Kingdom

Kurt L. Adelberger
California Institute of Technology
Palomar Observatory
105-24
Pasadena, CA 91125

Mark Dickinson
Space Telescope Science Institute
3700 San Martin Drive
Baltimore, MD 21218

Richard S. Ellis
University of Cambridge
Institute of Astronomy
Madingley Road
Cambridge CB3 0HA
United Kingdom

Sandra M. Faber
University of California
Lick Observatory
Santa Cruz, CA 95064

Max Pettini
University of Cambridge
Institute of Astronomy
Madingley Road
Cambridge CB3 0HA
United Kingdom

Matthias Steinmetz
University of Arizona
Steward Observatory
933 North Cherry Avenue
Tucson, AZ 85721

From Science News, Vol. 156, No. 13, September 25, 1999, p. 200. Copyright © 1999, Science Service.