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By Science News
The recent discovery of “mature” galaxies at distances corresponding to the remote cosmic past mentioned in this article threatens more than galaxy-formation theory. It threatens to shatter the increasingly fragile Big Bang paradigm by showing that the composition of the cosmos is uniform in time and space.
Michael J. Dunn
Auburn, Wash.
Steve Newman
Santa Cruz, Calif.
L. E. Joiner
Framingham, Mass.