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Astronomy Planets Details on all the known planets (and their satellites) of our Solar System Constellations All the constellations with abbreviations, some with details on the main stars (magnitude, distance, luminance, spectral class, etc.) and some with star charts Sunrise & Sunset Times Sunrise and sunset times for 84 locations around the world. Moon Phases Find out the times of full moon and new moon over the next 20 years. SI Units All the SI Units complete with their units and symbols Symbols A useful list of symbols - the Greek alphabet and many mathematical symbols |
