WordNet: TDT, TT, ephemeris time, terrestrial dynamical time, terrestrial time
(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
- domain: topic astronomy, uranology
- hypernym time unit, unit of time
TDT
- (suomi) TDT (synonyymi)
TT
- (suomi) TT (synonyymi)
ephemeris time
- (suomi) keskiaurinkoaika (lähes synonyymi)
terrestrial dynamical time
- (suomi) keskiaurinkoaika (lähes synonyymi)
terrestrial time
- (suomi) keskiaurinkoaika (lähes synonyymi)