::Rotation period
::concepts
Rotation::allen Period::solar Author::seconds Rotation::second Smallsup::earth's Books::fixed
In astronomy, the rotation period of a celestial object is the time that it takes to complete one revolution around its axis of rotation relative to the background stars. It differs from the planet's solar day, which includes an extra fractional rotation needed to accommodate the portion of the planet's orbital period during one day.
Rotation period sections
Intro Measuring rotation Earth Rotation period of selected objects See also References External links
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