Coordinate time

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251	PDF Document Add to Reading List Source URL: www.math.nus.edu.sg Language: English - Date: 2010-07-17 11:06:44 Calendars Units of time Celestial coordinate system Celestial mechanics Tropical year Ecliptic Equinox Solstice Axial precession Measurement Astrology Astronomy
252	PDF Document Add to Reading List Source URL: www58.homepage.villanova.edu Language: English - Date: 2003-05-13 13:28:44 Celestial mechanics Celestial coordinate system Time scales Horology Units of time Equation of time Sidereal time Hour angle Ecliptic Measurement Astrology Time
253	PDF Document Add to Reading List Source URL: syrte.obspm.fr Language: English - Date: 2006-10-05 11:07:26 Precession Astronomy Astrometry Angle Axial precession Epoch Axial tilt Nutation Sidereal time Astrology Celestial coordinate system Measurement