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Science 10 October 1997:
Vol. 278. no. 5336, p. 226
DOI: 10.1126/science.278.5336.226
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Research News

ASTROPHYSICS:
Theorists Nix Distant Antimatter Galaxies

Gary Taubes

Despite the dreams of science fiction fans everywhere, the latest findings show that matter dominates the universe, and there are no antigalaxies. This is the conclusion of a trio of theorists after a lengthy analysis of the physics of matter-antimatter annihilation and the gamma-ray glow that pervades the sky. But their finding also underscores a long-standing mystery: why the big bang displayed such blatant favoritism toward matter.

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