Geocentric Co-ordinate Time

Proper noun

 * 1) * 2007, Pranab Ghosh, World Scientific Series in Astronomy and Astrophysics X: Rotation and Accretion Powered Pulsars ( World Scientific Publishing Co. Pte. Ltd.; ISBN 9810247443, 9789810847447), chapter 7: “Properties of Rotation Powered Pulsars”, subchapter 7.2: ‘Timing Properties’, section 7.2.3: “ Irregular Period Changes ”, subsection 7.2.3.2: ‘ Millisecond pulsars as stable clocks ’, page 338
 * In 1991, the International Astronomical Union defined the Terrestrial Time (TT) in terms of the Geocentric Co-ordinate Time.
 * In 1991, the International Astronomical Union defined the Terrestrial Time (TT) in terms of the Geocentric Co-ordinate Time.