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Terrestrial Time replaced Ephemeris Time, ET
in Astronomy
Transit Traverse
in Astronomy
171077171076
Similar to TT
CMB - Cosmic Microwave Background
CMBR - Cosmic Microwave Background Radiation
CME - Coronal Mass Ejections
CMF - Core Mass Function
CMT - Carlsberg Meridian Telescope
CNS - Central Navigation System
CODE - Creation Out of Deep Energy
View all in Astronomy