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Date: 2012-08-11 11:04:44Astronomy Outer space Telescopes Geography Navigation Celestial coordinate system Surveying Constellations Polar alignment Polaris Reticle Celestial pole | Aerial View of Cerro ParanalAdd to Reading ListSource URL: www.syracuse-astro.orgDownload Document from Source WebsiteFile Size: 2,03 MBShare Document on Facebook |