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W. M. Keck Observatory: Observatory, Astronomical interferometer, Gran Telescopio Canarias, Howard B. Keck, W. M. Keck Foundation, Camera : Miller, Frederic P, Vandome, Agnes F, McBrewster, John: Amazon.es: Libros
File:Gran Telescopio Canarias, compuertas de la Cúpula, isla de La Palma, España, 2015.JPG - Wikimedia Commons
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Modern Telescope for Exploring the Cosmos,La Palma, Spain Stock Photo - Image of aerial, buildings: 37523964
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