Page 9 - Astronomy - October 2017 USA
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Keeping it “Beautifully” Simple
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                                             The Sierra Nevada Observatory, OSN
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                                                 Province of Granada, Spain
                                         The observatory is located at nearly 3000 meters and is operated by The
                                         Institute of Astrophysics of Andalucia. The Ash-Domes house two Ritchey-
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