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ALMA catures ancient galaxy's near-perfect Einstein ring
DiscoverNews
One of the finest examples of an Einstein ring spotted to date was captured by the world's most powerful ground-based observatory.
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http://news.discovery.com/space/galaxies/alma-captures-ancient-galaxys-near-perfect-einstein-ring-150407.htm?utm_source=newsletter&utm_medium=email&utm_campaign=dnewsnewsletter
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