bn:03613911n
Noun Concept
Categories: Rotation, Kinematic properties, Durations, Time in astronomy
EN
rotation period  Planetary rotation  rotational period  sidereal rotation  Spin period
EN
In astronomy, the rotation period or spin period of a celestial object has two definitions. Wikipedia
English:
astronomy
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EN
In astronomy, the rotation period or spin period of a celestial object has two definitions. Wikipedia
The time needed for one object to complete a rotation Wikipedia Disambiguation
(of a celestial object) time that it takes to complete one revolution around its axis of rotation relative to the background stars Wikidata