bn:00071463n
Noun Concept
Categories: Horology, Time in astronomy, Units of time, Time scales
EN
sidereal time  Apparent sidereal time  Celestial Intermediate Origin  Earth Rotation Angle  Greenwich sidereal time
EN
Measured by the diurnal motion of stars WordNet 3.0
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EN
Sidereal time is a system of timekeeping used especially by astronomers. Wikipedia
Time measured by the apparent diurnal motion of the vernal equinox; approximated by that based on the rotation of the Earth relative to the stars. Wiktionary
Time measured by apparent motion of vernal equinox. Wiktionary (translation)