Amazing telescopes produce hot space images

Ground-based telescopes continue to produce some of world's important space discoveries

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Astronomers at the California Institute of Technology and Ecole Polytechnique Federale de Lausanne recently said they discovered the first known case of a distant galaxy being magnified by a quasar acting as a gravitational lens. The discovery was based in part on observations done at the W. M. Keck Observatory on Hawaii's Mauna Kea. A single quasar could be a thousand times brighter than an entire galaxy of a hundred billion stars, which makes studies of their host galaxies exceedingly difficult. The significance of the discovery, the researchers say, is that it provides a novel way to understand these host galaxies.

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Amazing telescopes produce hot space images

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