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ephemeris time
Noun
(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
synonym
TDT
terrestrial dynamical time
terrestrial time
TT
domain topic
astronomy
uranology
hypernym
time unit
unit of time
ephemeris time vs TDT
ephemeris time vs TT
ephemeris time vs terrestrial dynamical time
ephemeris time vs terrestrial time
ephemeris time vs time unit
ephemeris time vs unit of time
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