2 Noun 0 Verb 0 Adj. 0 Adv.
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ENsidereal dayNoun
EN
The time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day
dayApparent sun
bn:00025423n Concept
EN
One day of sidereal time; the time in which Earth rotates once around its axis, relative to the point of the vernal equinox
bn:14589258n Concept