Nautical Astronomy網站相關資料
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Nautical Astronomy網站相關資料
Daily Astronomy
This app keeps you abreast of the latest astronomy news, pictures, videos and articles. Don’t ever be the last to learn about a cool video or photogra …
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Astronomy Quiz
This is a astronomy quiz for people with all skill levels right from layman to professional astronauts and astrophysicists.We have included everything …
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Astronomy Glossary
This glossary contains most of the terms that deal with the study of celestial objects (such as stars, planets, comets, nebulae, star clusters and gal …
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Astronomy Learning
Join Prof. Chris Impey in this Astronomy for beginner’s course and learn about today's amazing astronomical discoveries! This astronomy for beginn …
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Nautical Clocks
Nautical Clocks is designed for anyone who loves sailing or boating. Face it, the analog clock that came with your phone is rather boring, and really …
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Nautical Glossary
This is a glossary of nautical terms; some remain current, many date from the 17th-19th century. Whether you are just interested in the subject, or ar …
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Nautical Almanac
Celestial navigation - Astronavigation Nautical almanac: - Equatorial geocentric coordinates: RA/GHA, Declination for Sun, Moon, and navigational star …
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