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With a light-gathering power 4,000 times greater than the human eye, such telescopes have revolutionized amateur astronomy, says Bartels, a computer systems director for Weyer- haeuser. But even with the light-gathering power of Keck 2, the researchers needed extra help to detect the galaxy. Most telescopes have poor optics because people in the past were interested only in total light-gathering power when they built large [telescopes]," says Kenneth J. |
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