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Meaning of TERRESTRIAL DYNAMICAL TIME

 
WordNet Dictionary
 
 Definition: 
[n]  (astronomy) a measure of time defined by Earth's orbital motion; terrestrial time is mean solar time corrected for the irregularities of the Earth's motions
 
 Synonyms: ephemeris time, TDT, terrestrial time, TT
 
 See Also: time unit, unit of time

 

 

 

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