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Date: 2015-02-12 19:43:30Universal Time Terrestrial Time Ephemeris time International Atomic Time Leap second Dynamical time scale Greenwich Mean Time Epoch Barycentric Coordinate Time Measurement Time scales Barycentric Dynamical Time | N IF Navigation and Ancillary Information Facility Fundamental Concepts November 2014Add to Reading ListSource URL: naif.jpl.nasa.govDownload Document from Source WebsiteFile Size: 361,17 KBShare Document on Facebook |