Engelsk substantiv: terrestrial dynamical time | |||
1. | terrestrial dynamical time (om tid) (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 | ||
Ord med samme betydning (synonymer) | ephemeris time, TDT, terrestrial time, TT | ||
Mindre spesifikke uttrykk | time unit, unit of time | ||
Overordnet kategori | astronomy, uranology | ||