教育局及可觀自然教育中心暨天文館

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Date: 2010-10-26 03:49:34 Stellarium GoTo Planetarium Celestia Observational astronomy Astronomer Astronomy Software Portable software Telescopes		教育局及可觀自然教育中心暨天文館 Add to Reading List Source URL: www.hokoon.edu.hk Download Document from Source Website File Size: 2,89 MB Share Document on Facebook

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