Astronomical system of units

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21	K6 ASTRONOMICAL CONSTANTS Selected Astronomical Constants Units: Add to Reading List Source URL: asa.usno.navy.mil Language: English - Date: 2012-12-09 19:45:49 Celestial mechanics Physical constants Planetary science Astronomical constant Gravitation Time scales Astronomical system of units Astronomical unit Gaussian gravitational constant Astronomy Measurement Space
22	PDF Document Add to Reading List Source URL: aa.usno.navy.mil Language: English - Date: 2011-06-14 14:05:24 Celestial mechanics Astrometry Precession Fundamental constants Planetary science Astronomical constant Astronomical system of units Astronomical unit Gravitational constant Astronomy Measurement Space
23	1 \|Common aspects of astronomical and psycho-spiritual navigation. By Rush E. Allen[removed]:08 PM Add to Reading List Source URL: www.siloam.net Language: English - Date: 2006-12-06 21:38:05 Celestial coordinate system Precession Celestial mechanics Calendars Units of time Axial precession Milky Way Archaeoastronomy Ecliptic Astrology Astronomy Space
24	Relativistic scaling of astronomical quantities and the system of astronomical units Add to Reading List Source URL: maia.usno.navy.mil Language: English - Date: 2008-10-02 08:57:26 Geocentric Coordinate Time Barycentric Coordinate Time TCB Proper time Barycentric Dynamical Time Astronomical constant Time scales Measurement Coordinate time