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Astronomers who survey galaxies in the distant universe are getting some unexpected help from gravity, according to a new study. In a presentation at the American Astronomical Society meeting this week and a related paper in the current issue of the journal Nature, researchers say that as many as 20 percent of the most distant galaxies currently detected appear brighter than they actually are, because of an effect called "strong gravitational lensing." The discovery could change astronomers'...
- To talk saucily.
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